I have no idea about fashion there days, which is why I dress so plainly.
我对现在的时装潮流一窍不通,这就是我穿得这么普通的原因。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道,它就把新鲜空气随之抽进了隧道。