You could say, I could have zero chickens and 20 pigs, does that work? I've got one chicken and nineteen pigs, does that work?
为什么简单列举出所有可能的情况,再一个来检验?你可能会说,我可以有0只鸡和20只猪,这能行吗?
He can't just say, I think I'd like to found a colony.
不能说,我想建立一个殖民地就行了
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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