Modern rice plants produce 2 to 3 time times more green then grain than was possible before the 1960s.后面 than was possib
问题描述：
Modern rice plants produce 2 to 3 time times more green then grain than was possible before the 1960s.后面 than was possible before the 1960s.是什么语法?
Modern rice plants produce 2 to 3 times more grain than was possible before the 1960s.是这样的 不好意思
答
原来应该是这样Modern rice plants produce 2 to 3 times more grain than it was possible before the 1960s.
应该是把主语省略了..
重要的是语感~