go through one week of this term without buying any plastic.

一周不买任何塑料
And if anybody is capable of doing that by the end of the term,

如果你们中谁能在学期末做到
I will take you out for lunch.

我就请你吃饭
I've made that offer for the past five years

过去5年我一直发出这样的邀请
and I have not spent one dime on lunch as a result.

但我从没因此花出一分钱
Transport, personal transport as opposed to public transit facilities

个人交通工具和相对的公共交通设施
is a persistent and growing problem.

是日渐顽固的问题
We now have one vehicle in the United States for every person

在美国人手一部车
who is eligible to drive.

只要他会开车
That's nearly 250 million vehicles.

总共2亿5千万车
We have more vehicles per capita in the United States

美国的人均汽车总量
than any other place in the world.

比世界上任何一个地方都多