四、学会使用动态动词
　　动态动词往往经be , ther be , make , need等静态动词更有活力，可以达到更好的写作效果。

　　如：
　　原句：Please try our best to help this girl , help her to pass the most difficult period in life , and make her financial burden less and less .
　　优化：Please try our best to help this girl , help her to pass the most difficult period in life , and relieve her financial burden .
　　原句：Each day , we can see there are a lot of foods in the garbage cans .
　　优化：Each day , we can see many students dump foods in the garbage cans .