对…有益英语怎么写

　　Whether it would be beneficial to raising people's living standard

　　是否有利于提高人民生活水平

　　The fall in prices will be beneficial to small business.

　　物价下跌将对小企业有利。

　　Going to class more often may be beneficial to your grade.

　　常听讲座有助于提高你的成绩。

　　One should be beneficial to the society when alive.

　　活着就要做个对社会有益的人。

　　A stay in the country will be beneficial to his health.

　　乡村生活有利于他的健康。