1.Preventing water being polluted is of significent importance to our daily life.
2.this discipline deals with evey aspect concerning my job.
3.According to the police,alcohol will affect drivers' attention and contribute to car accident.
安全驾驶 我们 外交说过 是safety driving.顺便说一下 我是学商务英语的 我们全是外交 我以后能教你