当然是这样的，因为世界需要有愿景的人，有能力去梦想的人。

That surely is so, for the world needs people of vision, people who are capable of dreaming dreams.

youdao

每个人都可以成为一个好公民，因为在很多情况下，一个友好的微笑是建立一个更美好的世界所需要的全部。

Everybody can be a good citizen, because in many cases a friendly smile is all that is needed to build a better world.

youdao

他们不会因为年龄、体型或缺乏资源而止步不前，他们看到了周围世界的需要，并在力所能及的地方提供帮助。

These weren't stopped by their age or size or lack of resources, they saw a need in the world around them and to step help where they could.

youdao

Plus it makes it, as I talked about last time, much easier to think about distributing the vaccine around the world because shots require skilled medical personnel, whereas, an oral vaccine could be self-administered.

而且,这会使得,就像我上次谈到的,这会使得疫苗更容易在世界范围内分发,因为注射需要专业医疗人员,但是,口服疫苗自己就可以服用

耶鲁公开课 - 生物医学工程探索课程节选