Participating doesn't necessarily involve a huge time commitment.

参加并不一定意味着要投入很多时间。

Or just emergencies, not necessarily angry ones.

或者只是紧急情况，不一定是愤怒的。

This is not necessarily a bad thing.

这并不一定是什么坏事。

Creativity does not necessarily have to manifest itself through art.

创造力不尽然必须通表达。

The wealthy are not necessarily happy; likewise, the poor are not necessarily sad.

有钱人未必快乐；同样地，穷人未必悲伤。

But despair is not necessarily the only difficulty.

但绝望并不一定是唯一的困难。

Coaches do not necessarily have the incentive to graduate players.

没有一定要让球员顺利毕业的动力。

Not necessarily, tablets have too many distractions.

不一定，平板电脑有太多让人分心的地方。

" Oh no, not necessarily, " said Hermione.

“哦，不一定，”赫敏说。

Blue light isn't necessarily bad for us.

蓝光不一定对我们有害。

Spending money helping others doesn't necessarily promote happiness.

花钱帮助别人不一定会提升幸福感。

Not necessarily engineering, safety, cost, and longevity.

不一定是工程、安全、成本和寿命。

It is imperative that you learn the truth, not necessarily the facts.

你必须了解真相，而不一定是事实。

They do not necessarily kill pests immediately.

它们不一定会立即杀死害虫。

But not necessarily in the right direction.

但不一定是向正确的方向调整。

That is not necessarily something to lament.

这不一定是一件值得哀叹的事情。

People didn't necessarily stop buying unhealthy products.

但是那个研究好像证明了相反的事情吧？人们不一定会停止购买不健康产品。

What we remember is not necessarily what happened.

我们记住的不一定是发的事情。

But that's not necessarily a bad thing.

但这未必是件坏事。

But safety and comfort aren't necessarily intertwined.

但安全和舒适并不一定是交织在一起的。