I think it necessary that we have the meeting.

我认为开这个会是必要的。

youdao

I think it necessary to learn a foreign language.

我认为学习一门外语是非常必要的。

youdao

I think it necessary that he (should) do this test.

我认为他有必要做这个试验。

youdao

Now, I think in certain circumstances it becomes necessary to overlook that unjustness, perhaps condone that injustice as in the case of the cabin boy being killed for food.

我认为在某些情况下,我们需要忽视这种不公平，容忍这种不正义,例如在救生艇里被当作食物的男孩。

耶鲁公开课 - 公正课程节选

But I think, you know, maybe that was necessary because it's an important relationship.

但是我认为，可能那是必需的，因为这层关系太重要了。

英国的首相们 - SpeakingMax英语口语达人

If people are on the verge of dying, perhaps it is necessary to overlook that injustice, but I think it's important to keep in mind that we're still committing injustice by taking people's belongings or assets.

如果人们在死亡边缘挣扎，也许忽视这样的不公平是必要的，但我认为即使这样，我们依然要铭记,我们的行为不公正,这是在占有他人的财物或资产。

耶鲁公开课 - 公正课程节选

And I think it was necessary for us to set out on the path of deficit reduction without delay after the election.

WHITEHOUSE: President Obama & Prime Minister Cameron Joint Press Availability | The White House

That's why I think it was necessary but it wasn't sufficient.

NPR: Evaluating The Surge In Iraq

Mr. BLOOMINGDALE: I think it is necessary.

NPR: White PA Voters on Race in the Race