生活是一段旅程，无论道路和住宿多么糟糕，都必须前行。

We are just beginning to understand the potential of genome editing—and the questions it raises.

We stand at the threshold of a new era in biology.

高分子化学的引入开辟了一个新的材料世界，其性质和应用仍远未被充分探索。