Could you take a monent to freshen up first? you don't want to go into the meeting smelling like that!
你可不可以先去清醒一会儿?你也不希望带着这样的一身气味去开会吧!
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。