1. 本身一开始就错了.如果每个人都像他们那样,应该说If everybody is like them, 不能直接用likes,因为那样like做及物动词,表示的是喜欢的意思.
If everybody is like them, I think no one will be willing to help and understand one another.
你已经用no one了,表示没有人愿意,后面不能再用否定了.
2. The world not only belongs to one of us, but all of us.
3. was... be associated with, 被联系在一起.