消极方面
live a stressful life 生活压力大
the competition is stiff 竞争激烈
impair people's health 破坏人的健康
the population is booming 人口爆炸
restrict the development of 限制……的发展
lower the efficiency of... 降低……的效率
stem from 某事由……导致
suffer from 遭受
is a threat to... 对……构成威胁
have detrimental influence upon 对……产生有害的影响
cope with 解决，处理
take measures to... 采取措施……
There is a definite link between A and B A和B之间有密切的联系
is increasingly severe 越来越严重
is monotonous 单调的
create psychological problems 产生心理问题
