But he was the first who ever did so by choice, out of principle.

但他确实是第一自愿这做的人，这是出于他自己做人的原则而已。

So, no, this is about fairness to the people who are childless by choice, okay?

所以，抱歉，要对没有孩子的人公平，好？

Why would we do it to ourselves by choice? !

什会选择这样对自己？！

To refrain means that you stop yourself from doing something by choice.

“To refrain”是指你自愿地阻止自己做某事。

Some students were more active than others but I suppose they were there by choice.

一些学生可能比其他学生积极，过认那是因是他自己选择去那里学习的。

To have children by choice rather than chance is a matter of autonomy and dignity.

依靠选择，而非计划之外的怀孕，是一关乎自主和尊严的问题。

He was a non-conformist, although not necessarily by choice.

他是一守成规的人，尽管一定是自愿的。

He said it should be by choice.

他说这应该是自愿的。

By choice, he has no electricity, no gas, and no indoor plumbing.

他选择使用电、煤气，也安装室内管道。

If you ever feel swamped by choices, I recommend trying this loop yourself.

如果你也感到被选择淹没，建议你也尝试一下这循环。

Unlike in high school and most of college, by choice. - Where's the opener?

跟在高中和大学时一样，你是主动来的。 - 开瓶器在哪里？

Don't you dare say I'm in here by choice.

别说什入狱是自己的选择。

Okay, I'm not here by choice.

来这里并非自愿。

I have only a handful of highly meaningful relationships in my life and it is by choice.

一生中只有少数非常有意义的关系，而这是的选择。

My mom, Nellie Ruth Pills-bury King, was one of America's early liberated women, but not by choice.

的妈妈奈丽·露丝·皮尔斯伯里·金是美国最早的妇女解放分子之一，却并非出于自愿。

I am an optimist by choice as much as by nature. Sure, I know that sorrow exists.

是乐天派，既是天生如此，也因后天选择所致。诚然，知道生命中会有伤痛。

It found that people tend to feel happier if they help others, but if they do so by choice.

研究发现，如果人愿意帮助他人，而且是出于自愿，他往往会感到更快乐。

You know I wouldn't leave by choice, but it's time to draw a curtain over the past few months.

你知道是愿离开的，但过去几月的事该拉下帷幕了。

By choice, she asked could she big chop.

根据选择，她问她能能大排档。

I am an optimist by choice as much as by nature.

天生就是一乐观主义者。