研究古DNA如同打开通向过去的窗户。
The study of ancient DNA is like opening a window to the past.
绝不能为了短期利益而牺牲质量。
有人说人是理性的动物。我一生都在寻找可以支持这一说法的证据。
The ladder of success is best climbed by stepping on the rungs of opportunity.