介绍:
1. cash 作动词表兑换现金
Can you cash this check for me？
你能帮我把这张支票兑换成现金吗？
cash也是名词，表现金，和money, change一样，都不可数
How much cash/change do you have?
你有多少现金/零钱？
I have 20 dollars in cash/change.
我有20美元现金/零钱
2. identification 指证明身份的文件
ID card=identity card 身份证
driver's license 驾照
passport 护照
3. Will my passport do？
do 这里表示“可以，行”
What would you like to drink?
你想喝点什么？
just water will do.
Can you lend me some money?
能借我点钱吗?
Will 100 dollars do?
100美元够不够？
4. What's the exchange rate for ...？
...货币的汇率是多少?
What's the exchange rate between... and ...？
...货币和...货币的汇率是多少?
What's the exchange rate for the pound today?
今天英镑的汇率是多少？
What's the exchange rate between HK dollars and US dollars?
港币对美金的汇率是多少？
5. 小数点后数字的读法：一个一个分开念
7.89 seven point eight nine
18.18 eighteen point one eight
0.235 zero point two three five
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