过渡词很丰富,衔接词同时使用的恰到好处;作者词汇表达较为熟练,高级词汇使用不是很多;若加强一些复杂句和从句的使用,文章会更棒。
Since 2010 years,there have happened one after another violence matters many times.It is so surprised.And,making us consider that how we would improve the safety of campus. First,there is some security guards who can go the rounds from time to time.second,we should stall a lot of pick-up head to keep watch on everything on campus.