许多大量的短语是a large number。用法：通常用指形状、面积、数量、范围或规模等方面的大，作数目，数量解，其后常与介词of连用，引申可表示语法上名词或动词的数或数词。
a large number的例句：The factory is shedding a large number of jobs（这家工厂正大批裁员）；A large number of children survived the earthquake（不少孩子从地震中幸存了下来）。
