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。
As soon as he had got into the car, I said good morning to him in French and he replied in the same language.
他一上车,我就用法语向他问早上好,他也同样用法语回答我。