1) Many nations have been faced with the problem of ...
2) Recently the problem has been brought into focus.
3) Recently the phenomenon has become a heated topic.
4) Recently the issue has aroused great concern among ...
5) Nowadays there is a growing concern over ...
6) Never in our history has the idea that ... been so popular.
7) Faced with ..., quite a few people argue that ...
8) According to a recent survey, ...
9) With the rapid development of ..., ...
版权声明
本站文章收集于互联网，仅代表原作者观点，不代表本站立场，文章仅供学习观摩，请勿用于任何商业用途。
如有侵权请联系邮箱tuxing@rediffmail.com，我们将及时处理。本文地址：https://www.wuliandi.com/zuowen/huatizuowen/shijianzuowen/202112/1126555.html
