Could you please let us know what discount you can give for an order exceeding 400 sets?
能否告知定货超过400台你方所能给的折扣。
From this we get the expression to make a beeline for someone or something, which means to go quickly along a straight direct course for someone or something.
从这里我们得到一条短语"to make a beeline for someone or something,意思是迅速地沿着一条直线向某人或某物走去。