尽管在这一点上，我不得不承认，从全球的角度来看，我只认识一小部分人。
Although at this point, I have to confess that I only know a small percentage of people when we look at it from a global perspective.
如果我有一只狗，狗跑掉了，我不得不去追它，那该怎么办？
What if I had a dog and the dog ran away, and I had to run after it.
为了验证它，我不得不用一只活的青蛙做了试验，但是预想的结果并未发生。
To prove it I’d have to cook a live frog and that’s not going to happen.
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