英文翻译 i think it is helpful to put up some boards along the tourist attractions where tourists can leave messages. 里面的语法短语 这句话翻译一遍
我认为在一些吸引游客的地方搭建一些可以供游客留下信息的板子(留言板)会有帮助(会管用)。
I think it is helpful to put up some boards /where tourists can leave messages (boards的定语从句)/ along the tourist attractions(attractions 吸引人的地方,引申为游客的聚集处/景点。).