The world is a very complicated place, and it's not always easy to understand what's happening around us.
世界是一个非常复杂的地方,并不总是容易理解我们周围发生的事情。
The study of exoplanets is a journey of discovery, filled with surprises and challenges that keep us motivated.
只要心意不放纵,就不会出现差错;只要用心不怠惰疏忽,就没有不能坚守的、随意放纵的志向。