完全没有必要了
加个 over there 算吗?
要看你想表达什么意思,如果纯粹从语法上说,doing sth 是动宾结构,可以用副词或者短语来修饰,而 sth 又是名词,可以跟介词短语做定语,甚至定语从句。理论上说,加副词或短语的可能性是无限多的,比如:There is no use in washing your car in the rain. 还有,There is no use in starting a new program on current situation.