第9到31行定义表的标题。

Lines 9 thru 31 define the table headline.

youdao

第二行定义产品名称。

The second line defines the product name.

youdao

第15、16、17行定义了约束。

Lines 15, 16, and 17 define the constraints.

youdao

I'm simply saying swap X with Y, but this 2 won't work, because where are X and Y defined?

我只简单地说交换X和Y，但是这两行不起作用，因为X和Y是在哪里定义的呢？

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Although it's not defined in that newspaper that you're reading back there in row twelve, the Market Revolution is not reported in this morning's newspapers; actually it probably is, the markets are going bad, although they went back up yesterday.

但是那张报纸里面没有定义,我说的就是坐在十二行看报纸的同学,今天的早报没有报导市场革命,不过也可能真是,因为现在市场不景气,虽然昨天刚刚有些反弹

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