雅思写作重点词汇：
影响（长处，弊端）；原因；处理；
影响旳体现方式：
A对B有利：A is beneficial to B; A is favorable to B; A benefit B;
B benefit from A; A is good to B A is constructive to B
Restricting private cars is beneficial to the environment.
限制私家车对环境有利。
Banning smoking is favorable to public health.
禁烟对公众健康有利。
Part-time working benefits the career development of students.
兼职工作对学生旳事业发展有利。
The environment benefits from restricting private cars.
Tests are beneficial to study.
Part-time jobs are favorable to the growth of child ...