Sometimes it takes a little trial and error to see what works best.

有候需要反才能知道什么效果。

Usually a new drug requires repeated testing before it is approved for treatment.

通常，一种新药物获准用于治疗前需要进行反。

And there's been a fair amount of trial and error, says communication officer Sarah Preston.

通讯官员莎拉·普雷斯顿说，已做过相当多的反。

Can I discover new actions through trial and error?

我能否通过反错发现新的行动？

It will be trial and error for a while.

一段期内会反 可能会有差错。

Sometimes the learning process is by trial and error.

有，这样的学习过程是要通过反的。

Another scientific term that we use in any part of our lives is trial and error.

我们生活中用到的另一个科学术语就是" 反（trial and error）" 。

So, kind of go with that, it's all about trial and error, don't give up, keep working on it.

所以，差不多是这样，一切都关乎反，不要放弃，继续努力。

In reality, we still live in an age of empiric, trial-and-error imprecision medicine.

事实上，我们仍然生活在一个经主义、反的不精确医学代。

The current state of mental health treatment is essentially a strategy of trial and error.

心理健康治疗的现状本质上是一种反的策略。

They are all products of long hours of trial and errors.

它们都是长间反的产物。

To top it off, you need a lot of trial and error.

您需要大量的反。

Where trial-and-error was used, the cockatoos did better than monkeys in similar tests.

在使用反的情况下，凤头鹦鹉在类似测中的表现优于猴子。

There are several ways to solve this equation, including trial and error.

有几种方法可以解决这个方程，包括反。

I mean, I think we’ve really learned by trial and error to an experience.

我的意思是， 我认为我们真的通过反学到了经。

Historically, these are questions that have been addressed through years of rigorous trial and error.

从历史上看，这些问题是通过多严格的反得到解决的。

Repeated testing also illustrates the determination to succeed.

反也说明了成功的决心。

A period of calm. " Trial and error" .

平静期。“反” 。

We basically are having a trial and error sort of approach.

我们基本上采用的是一种反的方法。

So, trial and error was really my thing.

所以，反真的是我的事。