确实，语法必须结合语境和想要表达的意思一并考量；不知道句子所为何来很难帮你改写，就连指出 “可能存在” 值得商榷之处，都只能凭借语感。 have understood; grounded on in front of has got to fall; that 正确 but 整句结构 suggested 后面...
