How much does the vodka cost, and how much does the man hand to the clerk in this conversation?

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@KatePW Thank you very much as always, ケイトさん!
Yes, it's strange. It might be "five twenty".

And thank you very much for correcting about "pence".
That singular/plural thing is a pain in the neck. xD

@KatePW That's true. And sheep! It's really confusing. x'D

As you may already know, Japanese language doesn't basically have singular/plural forms for nouns. For people, we use 人々(ひとびと), or add 達(たち), ども or ら to make certain noun plural, depending on what nouns we use.

Some people, however, add たち to non-living objects. I guess they are affected by English. It sounds a bit poetic. I don't really like them personaly, though. =P

@KatePW Ah, that's right. I remember there're also difference between men's words and women's words in Thai like Japanese, right?

I admire you having no problems about singular/plural now. I wonder how long it will take me to get over it. xD

たち can be used any personal nouns to make them plural, except 彼(he). We say 彼ら, but don't usually say 彼たち.

On the other hand, ら is used for casual manner, except 彼ら which can be used in formal situation. For example, あんた is a very casual form of あなた (you). We say あんたら, but don't usually say あなたら.

Here're example of the usages. ら sounds casual except 彼ら.

We ...　私たち and 私ら (both are used.)
我々（formal way of saying "we") and 我ら. (both are used.)
(We don't say 我たち)

You... あなたたち (we don't say あなたら)
　　　　　あんたたち and あんたら (both are used.)
君たち and 君ら (both are used.)

They ... 彼ら (We don't say 彼たち )
あいつら (casual form of "they". We don't say あいつたち)

People 人々 (formal) 　and 人たち ( We don't say 人ら.)

Sorry, the list doesn't seem to be very organized...

Yes, we always have to care about roles and positions to use proper nouns and verbs. English is much easier. I would love English if I din't have to care singular/plural and the articles. xD

I like Thai letters. They are so pretty. It seems impossible for me to write, though. =P

@KatePW I'm glad to hear that.

I know, right? I'm still there. For me, those articles seem like mere accessories or something. xD

If I were not Japanese, I would still think Thai letters are way more difficult than kanji. xP

@Mara-karenz Hi. Thank you so much for your suggestion. I've been to the UK once, and now I remember how they gave me changes. As you said, the man seemed to give 20 pounds.

I wonder if you've already known this, but we have lots of borrowing words in Japanese from various countries. And we have quite a few ones from Portuguese such as; tempero, confeito, carta, capa, pao de Castelra, mirra and so on.
If you ever become interested in learning Japanese, you can check them out. ;)

@Igirisujin Thank you very much for the detailed explanation.
The speaker says "five is twenty", but the first part "five and.." might've been omitted since it's the first cut of the next scene in a TV show.

In Japan, it would be like;
Clerk: It's JPY1425.- (１４２５円です。)
(The customer gave 2000 yen to the clerk.)
Clerk: Since you handed 2000 yen, I'll return 575 yen to you.
(2000円 お預(あず)かりしましたので、575円のお返(かえ)しです。)

It's the same thing, but it sounds much simpler to me. Or the English way seems difficult probably just because I'm not used to counting numbers in English.

@Igirisujin Yes, the difference of the system is strange and interesting. I'm glad we don't have to worry about tips in Japan. It seems a bit hard to always have to calculate how much I should give for tips.

Actually, a tray is used usually at banks, post offices, hotels, fancy restaurants and department stores. People hand money directly at places where people move fast such as grocery stores, supermarkets, convenience stores, fastfood restaurants and coffee shops. =)

@Igirisujin No problem. Thank you for answering my questions.
I understand that. =)

I just wanted to say thank you for hitting nice buttons. It's great to know that what I wrote is useful for you.