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If we want clean air and water, we must start by protecting our forests.
如果我们想要清洁的空气和水,就必须从保护森林开始。
【译文】我每天多次省察我自己:为别人做事有没有尽力,和朋友交往有没有不真诚,教别人的东西自己有没有研习好。
数学是一项协作的努力。没有人可以单独完成。
The real question is not whether climate is changing, but how fast and how much we can adapt.
"The most successful companies are those that are able to adapt to changing market conditions."