I'd like to point out that your original price exceeded the market price already. We cannot accept it.
我想指出提你方原始价格已经超出市场价格。我们不能接受。
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。