这句话错哪了?Americans eat more than twice as many vegetables per person today as they did in 1910

问题描述:

这句话错哪了?Americans eat more than twice as many vegetables per person today as they did in 1910
我问的是语法上的错误!不许拿小孩子开涮啊!还高考呢

我看了好久,眼拙`````以为无错也