不是每一次努力都会有收获,但是,每一次收获都必须努力,这是一个不公平的不可逆转的命题.英语翻译

Not every effort will be fruitful, but you have to work hard for each endeavor. Because this is an unfair and irreversible proposition.

Not every endeavor will be fruitful, however, every effort must be harvested, it is an unfair proposition irreversible.

Not every endeavor will be fruitful,but!Harvest must work every time.This is an unfair proposition irreversible.