Arnold Schwarzenegger, Dia Mirza and Adrian Grenier have a message for you: It’s easy to beat plastic. They’re part of a bunch of celebrities staring in a new video for World Environment Day-encouraging you, the consumer, to swap out your single-use Plastic staples to combat the plastic crisis.

a bunch of  大量的

swap out  将……替换掉

staple  n. 日常必需品

combat  v. 与……战斗，与……斗争

阿诺德·施瓦辛格、迪亚·米尔扎和阿德里安·格雷尼尔要告诉你一个信息：打败塑料很容易。他们是一群名人中的一员，他们在世界环境日的一段新视频中鼓励你，消费者，换掉一次性使用的塑料主食，以应对塑料危机。

My biggest concern with leaving it up to the individual, however, is our limited sense of what needs to be achieved On their own, taking our own bags to the grocery store or quitting plastic straws, for example, will accomplish little and require very little of us. They could even be detrimental, satisfying a need to have "done our bit" without ever progressing onto bigger, bolder, more effective actions---a kind of "moral licensing" that allays our concerns and stops us doing more and asking more of those in charge.

concern  n. 忧虑，担心

grocery store  食品杂货店

detrimental  a. 有害的，不利的

bold  a. 果敢的，无畏的

allay  v. 消除或减轻（恐惧/担忧等）

moral licensing  道德许可效应

然而，我最担心的是，我们对自己需要实现的目标的认识有限，比如，把自己的袋子带到杂货店，或是放弃塑料吸管，都不会取得什么成就，对我们的要求也很低。它们甚至可能是有害的，满足了“尽我们的一份力”的需要，而不去采取更大、更大胆、更有效的行动——一种“道德许可证”，可以减轻我们的顾虑，阻止我们做