And you know, even if people are doing these things anonymously, or they're part of a big national sample where they're one of thousands and thousands of subjects, people don't necessarily like to say that they're doing something that they don't think they should be doing.

你知道,即使人们参加的是匿名调查,或他们是全国性样本中的一员,他们是那数以千计万计总体中的一员,人们似乎也没有必要说出,他们做的一些,自认为不应该做的事情

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And secondly, I think that, even if they don't know how to do a problem,

二是，我觉得，即使他们不知道怎么做一道题，

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And a lot of children I have come from different cultures, actually we cannot give them more insight into another culture, because even though they go to school with one and another, they don't know that much about each other's backgrounds, where they come from, or what part of world , what language they speak at home.

很多的孩子都是来自于,不同的文化，事实上我们给不了他们,对于其他文化的更多的见解，因为即使他们和其他的,孩子一起来上学，他们并不知道,其他人的背景，他们来自哪,或者世界的那部分，他们在家说什么语言。

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