对地球来说幸运的是，社会科学和行为经济学或许可以为我们做到这一点。

Fortunately for the earth, social science and behavioral economics may be able to do that for us.

youdao

对地球来说幸运的是，社会科学和行为经济学或许可以为我们做到这一点。

Fortunately for the planet, social science and behavioural economics may be able to do that for us.

youdao

幸运的是，她学东西很快。

Luckily, she was a quick learner.

youdao