According to a survey, the average number of (日常的)steps of people across the world is 4,961.
I can't hear you (清楚地). Please speak a little bit louder.
I met a friend of (她的)in the street yesterday.
Drinking too much juice can be (有害的) to people's teeth.
The use of new energy cars helps to reduce air (污染).
There will be a high﹣speed railway, (在……之间)Ningbo and Zhoushan.