人类的进步真实需要这些人的。

The progress of mankind cannot do without those people.

youdao

每天90分钟的体力活动是否真实需要？

Is 90 minutes a day of physical activity really needed?

youdao

回顾对宽恕的真实需要，我们看到不承认罪行会使我们与上帝疏远。

Looking back at the real need for forgiveness, we see that unconfessed sin can separate us in our relationship with God.

youdao

Even in real recipes, you have things like, if needed, add sugar.

就算在真实的菜谱当中，你也需要做一些比如加糖之类的事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

If it were true, probably it isn't true, but if it were true, that half of brain was enough, then half of the brain would be enough.

如果这是真的，也许这不是真的，但如果这是真实的，半边大脑就够用了，那就只需要半边大脑来判断。

耶鲁公开课 - 死亡课程节选

Okay, first of all, because everything relies on self-report there's no machine, for the most part, that can do objective measures of this, you don't really know when people are telling you what they're eating.

好,首先,因为任何事都是建立在自觉上,大多数环节没有机器参与,这样的方式比较主观,你并不需要,人们告诉你他们所吃的是否真实

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选