Some states only permit use for certain diseases like cancer, multiple sclerosis or AIDS.
VOA: special.2010.10.11
On the other hand, am I likely to only search a list once? Probably not. There are going to be multiple elements I'm going to be looking for, so that suggests that in fact, I want to amortize the cost.
我可能就搜索一次么?,可能不是,可能我要找好多个元素,这样的情况下,我们就能分摊开销了,这告诉我们什么?这意味着。
Now, we know from the work in the Bystander effect that in general which one are we more likely to help in, when we're the only person or multiple?
我们从旁观者效应的实验中知道,我们在哪种情景上更可能出手相救,一个人,还是有其他人时?
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