You may wonder if light is also needed for life to form.

你可能会想阳光不生命形成的件。

To create clouds, and to have rain, the air has to be cooled.

想产生云彩，进而下雨，空气遇冷件。

And that change will only occur if four key elements are met, notes the WHO.

这种改变发生的件以下4个因素满足，这WHO的观点。

Pressure control is another necessity inside any ocean habitat.

可控的压力海洋栖息地的另一个件。

One of the essential requirements of good news writing is accuracy.

优秀新闻报道的件之一准确。

Salt is important to fetuses and children because it is required for optimal growth.

盐对胎儿和儿童都至关重，因为盐优先生育的件。

So, what if 'doing' isn't always necessary to get things done?

那么，如果“做”并不总完成事情的件呢？

Therefore, what is essential for an academic success will be shared in this workshop.

因此，本次研讨会将分享学术成功的件。

Owning your weaknesses is necessary for your success and your self-confidence.

正视自己的弱点成功和自信的件。

Well, we gotta get ready for hibernation somehow! Eating a lot is definitely a requirement!

我们得为冬眠做好准备呀！大吃特吃可件！

The SAT is a test many American colleges require as part of the admissions process.

SAT这项考试美国许多大学录取过程中的一项件。

It's absolutely necessary for your brain and body to recharge.

大脑和身体充电的绝对件。

Friends can be a blessing, but they're not essential to survive anymore.

朋友可能一种福报，但它们不再生存的件。

Do as much work on the inside as is needed for you to bloom.

在内心做尽可能多的工作，因为这你绽放的件。

Acknowledging this as a fact is a necessary condition for achieving peace.

承认这一点为事实实现和平的件。

It's considered essential to succeed, but in truth is an unending series of life lessons.

它被认为成功的件，但事实上，它一系列永无止境的人生课程。

Contrary to popular belief, self-love is healthy and essential for developing higher self-esteem.

与普遍看法相反，自爱健康的，也提高自尊的件。

Pain is necessary for us to fix our problems.

痛苦我们解决问题的件。

Power is required for the accumulation of money and then the retention of that money.

权力积累金钱和保存金钱的件。

Have fewer traces of copper than those of Europe, Essential for the formula to work.

与欧洲出产的银矿石相比 含铜量更少，而铜正这种化学反应生效的件。