发展辉煌彪史册，可持续性应坚持，生存环境需珍惜，人类前途五可。

The existing environments must be treasured for human future, and the efforts in five fields can be tried.

youdao

发展辉煌彪史册，可持续性应坚持，生存环境需珍惜，人类前途五可。

The existing environments must be treasured for human future, and the efforts in five fields can be tried.

youdao