现在，如果孩子们不会说话，怎样测试他们的记忆力呢？

Now, if the children can't talk, how was recall tested?

youdao

我怎样才能进行测试？

How can I do the testing?

youdao

我们将会怎样执行我们的测试？

How will we execute our tests?

youdao

So just as a little sanity check, number 15 in binary would be?

再来做个测试，那么二进制中15怎样表达？

哈佛公开课 - 计算机科学课程节选