一般来说，我们要追求简练的表达，这就是语言的经济原则，用尽量的少的文字传达更多的信息量，例如:下列各句。
·What I am trying to say is that in my opinion he has not done his work very well and it needs improving. ⒅⒅⒅
·It is difficult to make an estimation of how much money it would cost.
上述两句话虽然显得很长，但是十分罗嗦，词语堆砌。句子越长，读者越难以准确捕捉句子的主要意义。建议改为：
