I think I'm quite proficient in both written and spoken English.
我认为我在英语读写方面相当熟练。
The students tumbled over each other as they got off the bus.
学生们下车的时候,由于拥挤一个叠一个的摔倒了。
He says nothing about the poor selection of goods in the shops, or about those unfortunate people who have to travel from the country to the city every day to get to work.