Morty It's necessary for the plan, Morty.

啥 What? ! 这是为了我们的计划。

I know modernization is necessary for advancement.

我知道要进步就必须要现代化。

The first hour, he claimed, was necessary for misperceptions to be eliminated.

他声称，第一个小时是消除误解的必要时间。

They are necessary for life on Earth.

它们是地球上生命所必需的。

Intimate communication is necessary for true friendship.

真正的友谊需要亲密的相互沟通。

Excellent physical condition is necessary for the work.

像这个活儿还可以多搞几年。

This is necessary for trade between two countries.

它对两国之间的贸易来说是必须的。

Therefore, it is necessary for us to learn it.

所以，我们必须学英文。

In some cases, it is necessary for practical reasons.

在某些情况下，出于实际原因，这是必要的。

Growth hormones are necessary for physical growth in children.

生长激素是儿童身体成长所必需的物质。

Vitamin D-wise, two steps are necessary for optimal metabolism.

维生素D的调节过程有两个十分重要的条件。

It is necessary for you to go there immediately.

406您必须立即去那里。

The forests provide the humidity that is necessary for life.

森林为生命提供潮湿环境。

But anger is necessary for some things, isn't it?

但愤怒对某些事情来说很有必要，不是吗？

Phosphorus is necessary for DNA, the genetic instructions in cells.

磷是DNA所必需的，DNA是细胞中的遗传指令。

I really disagree that daily homework is necessary for students.

我真的不同意每天布置家庭作业对学生来说有必要。

I'm just doing what's necessary for my people.

我只是为我的人做些必要的事。

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

正视自己的弱点是成功和自信的必要条件。

But might freeloaders actually be necessary for society to function efficiently?

但是吃白食者对社会有效运转来说真的是必不可少的吗？

The atmosphere around the Earth is necessary for all living things.

围绕着地球的空气对一切生物来说，是不可或缺的。