万物芸芸各返根，返根复命即长存。
万物纷繁各自返回根本，返回根本复归生命就能长存。
We can talk about a happening in three main ways: by describing it， by recounting its history， by telling a story about it.
找到一颗类似地球的行星的可能性，正是推动我们进行系外行星研究的热情所在。