To answer the first part of your question, I'd like to say that our studies were very extensive.
你问题的第一部分,我要说的就是我们的研究非常广泛。
They have all been put to shame by a boy who, while playing truant, travelled 1,600 miles.
而有那么一个小男孩,他在逃学期间旅行了1,600英里,从而使上述所有逃学的孩子们都相形见绌了。