There's no sense in going by boat when the plane is just as cheap and much quicker.
既然乘飞机和坐船一样便宜而且还快得多,那么就没有理由去坐船。
In the same way, a Russian might fail to see anything amusing in a joke witch would make an Englishman laugh to tears.
同样的道理,一则可以令英国人笑出泪来的笑话,俄国人听了可能觉得没有什么可笑之处。