请问这个英语句子有没有语法错误?From what have been discussed above,it is,therefore,necessary that some effective measures are to be taken to prevent the recurrency of such phenomenon.
问题描述：
请问这个英语句子有没有语法错误?
From what have been discussed above,it is,therefore,necessary that some effective measures are to be taken to prevent the recurrency of such phenomenon.
答
some effective measures are to be taken 这里很别扭