6. requirement n．要求；必要条件；需要
(1)meet/satisfy one's requirement 满足/达到某人的要求
(2)require vt. 需要
require doing/to be done 需要被做
require sb.to do sth. 要求某人做某事
require that ...(should) do sth. 要求……
①Not all goods can _______ the customers' requirements.
并非所有的商品都能满足顾客的需求。
