If a family member or a pet is caught inside, you shouldn't go back in.
如果家庭成员或宠物被困在里面,你不应该再进去。
You could fall back on type checking inside the add method, but that is not elegant and inflexible.
您可以依赖add方法内部的类型检查,但这并不优雅而且不固定。
His cautious wife tugged on his arm. "You can't get into these discussions," she said, drawing him back inside.
他妻子谨慎地拉了拉他的胳膊,“我们不要管这些事。”她说,并把他往屋子里拉。
It could be the pair of none, none, it could be the pair of, you know, whatever the answer was that we put up there. That value comes back out and is now available inside the scope of Barnyard. OK. And Barnyard then uses that. Question?
也可以是,你知道,任何我们在这里得到的答案,这个返回的值在Barnyard范围内,就可以使用了,然后Barnyard就使用了这个值,有什么问题吗?
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