Harvey gets a $50 commission every time he makes a sale (= sells something as part of his job ) .
哈维每做成一笔生意可得到50美元的佣金。
Car salesmen will often bring down the price rather than lose a sale (= fail to sell something ) .
汽车推销员常常宁愿降价也不愿失去一笔生意。
n. salability