It is necessary that we weigh the pros and cons of including English words in Chinese dictionaries.

权衡在汉语词典中加入英语单词的利弊，这对我们来说是很有必要的。

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To compare the compositions of a meteorite and the Sun, it is necessary that we use ratios of elements rather than simply the abundances of atoms.

为了比较陨石和太阳的成分，我们需要利用元素的比率，而不单单是原子的丰度。

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It is necessary that a critic develop a sensibility informed by familiarity with the history of art and aesthetic theory.

批评家必须在熟悉艺术史和美学理论的基础上培养一种感性。

youdao

"It is necessary that the Kurdish people will go and vote, and give this day great attention, " he said.

CNN: Iraqi Kurds head to the polls

It is necessary that this right become a reality for the African people as it is in the west.

UNESCO: Natural Sciences

"It is necessary that we make the decision that we have in order to allow everyone to move forward, " he added.

BBC: Gavin Henson joins Saracens after Ospreys release