人类活动已经对生态系统造成严重破坏。
Human activities have given rise to severe damage to the ecosystem.
暂无解析
Wehopedthattherewillbenorepetitionofthiskindoftroubleinthefuture.
We'd like to express our desire to establish business relationship with you on the basis of quality, mutual benefit and exchange of needed goods .
工作压力过重会导致抑郁，焦虑，甚至自杀。
不懂得金钱价值的孩子最后在赚钱方面会有困难。
严厉惩处违反交规的人是良好交通秩序的保证。
