We do business on a commission basis. A commission on your prices would make it easier for us to promote sales. Even 2 or 3 percent would help.
我们是通过取得佣金来进行商业活动的。从你方价格中收取佣金,便于我方推销。即便只有2%或3%也行。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难,他们会丧失信心的。