I think we should take care of the environment, so that we have something to leave for our children.
我觉得我们应该保护好自然,以便将来能给我们的子孙后代留下一些东西。
As Daniel Goldin of NASA observed, 'Finding life elsewhere would change everything.
正如美国国家航空和宇宙航空局的丹尼尔。戈尔丁指出的“在其他地方发现生命会改变一切。