Large numbers of invitations were sent. = A large number of invitations were sent. 不过需要注意的是，large amounts of XX作为主语时，虽然XX是不可数名词，但后面的谓语动词用复数。

你问我答 Reading large numbers and years 数字和年份的英语读法 Play audio file 内容简介 听众无同学想知道生活中无处不在的数字在英语中的正确读法。虽然多数人都理解数字的含义，但它们的读法却难倒了不少人，尤其是遇到上万、甚至是上百万的数字时，更是让一些英语学习者感到困惑不已。年份在英语 ...

其次，amount这小弟，就是跟不可数名词的，你可以说The amount of water is 10 gallon. 可数名词就跟amount 没关系哈~ 同时，可以配套记忆的就是a large number of 和a large amount of，number代表的就是可数名词的复数，而amount后面是不可数哦，这个关系跟上面是对应的~ ...

We feel safe when we’re in a crowd. Therefore, knowingly or unknowingly, we seek safety in numbers, large numbers, that is. The greater the number of people there is in a crowd, the safer we feel in ...