We need water to stay alive and if we don't use water wisely, we will run out it!

我们需要水来维持生命，如果我们不能明智地用水，水将会被耗尽！

youdao

We need water, too.

我们也需要水。

youdao

We need water to drink.

我们需要有水喝。

youdao

They say we should drink water even before we start to feel like we need something to drink.

VOA: special.2010.07.27

But we've been so completely socialized into thinking two things: one is that we need water with us all the time; and second we have to buy it.

但如今我们都对以下两个观念习以为常了,第一是我们每时每刻都需要水,第二是我们要花钱买水

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We shouldn't, just because there are biases and mistakes that potentially can be made, it doesn't mean we need to throw out the baby with the bath water and stop studying ourselves.

我们不应该，只是因为会有潜在的偏颇和错误，这并不意味着我们要因噎废食,停止探究自己。

哈佛公开课 - 幸福课课程节选

Not only do we need to think about innovation in water processing but we need to look through an energy lens when we consider water solutions.

FORBES: On World Water Day: A Call for Innovation

We need clean water not only to sustain ourselves, but also for other basic necessities such as farming and sanitation.

FORBES: Investors Are The Key To Solving The World's Water Problems

First, we need to take water disaster planning seriously.

FORBES: Water Emergencies: Time for New Plans and Technology