A：(Supposedly/ I heard/ they say), it was the first time he did heroin.
      （据称/我听说/他们说），这是他第一次吸食海洛因。

B：Oh, my god.
      喔，天哪。

A：How many would you like to order ?
      您要订多少？

B：How do they come packaged ?
      货是怎样装的呢？

A：In cases of 100.
      一箱装100个。

B：We‘ll take 500.
      我们要500个

B：Here are the quotations that you asked for .
      这是你的报的价。

they的反义词

A：How do they compare to last year‘s ?
      与去年的相比怎么样。

B：The price increases haven‘t been too bad at all .
      没有涨太多。

A：That‘s good to hear .let‘s take a look at your prices .
      那好，我们来看看你的报价吧。

1. 他们;她们;它们
    You use they to refer to a group of people, animals, or things.

they的解释

    e.g. The two men were far more alike than they would ever admit...
           那两个人也许不承认，可他们非常相像。
    e.g. People matter because of what they are, not what they have...
           人之所以重要，不在于他们拥有什么，而在于他们是什么样的人。

2. (用以代替he or she，而不指明是男是女;有人认为这种用法不对)
    You use they instead of 'he or she' to refer to a person without saying whether that person is a man or a woman. Some people think this use is incorrect.

they的解释

    e.g. The teacher is not responsible for the student's success or failure. They are only there to help the student learn...
           教师对学生的成败并不负有责任，其职责只是帮助学生学习。
    e.g. I never saw anyone go in to buy. Whether they ever did I don't know.
           我从未见过有人进去买东西。到底有没有人进去过，我不知道。

3. (用于 they say，they call it 等表达中表示泛指)他们
    You use they in expressions such as 'they say' or 'they call it' to refer to people in general when you are making general statements about what people say, think, or do.

    e.g. They say there's plenty of opportunities out there, you just have to look carefully and you'll find them...
           他们说，那里机会多的是，你只要仔细找就能发现。
    e.g. In Australia I believe that they call it animal magnetism.
           我相信，在澳大利亚，他们称之为动物磁性。