不要轻视理论的作用。

Don't underestimate the role of theory.

《新英汉大辞典》

这些数字理论上看来可能不错，但对岛民们却起不到安慰的作用。

These figures may look good on paper but are cold comfort to the islanders themselves.

《柯林斯英汉双解大词典》

一个越来越有吸引力的理论认为，大气中二氧化碳的减少引发降温趋势，这趋势导致冰川作用。

An increasingly attractive theory holds that decreases in atmospheric carbon dioxide start the cooling trend that leads to glaciation.

youdao

In 1896, Charles Pickering from Harvard found a series of lines in starlight which he attributed to hydrogen, even though they did not fit Balmer.

在1896年，来自哈佛的查尔斯皮克林发现,一系列的星光,他认为那是氢的作用，虽然它们与巴尔末理论不符。

麻省理工公开课 - 固态化学导论课程节选

What are - this understanding of receptor-ligand interactions has been really the biological basis of much of the pharmaceutical industry.

受体-配体相互作用理论,现在已经成为很多,制药工业的生物学基础

耶鲁公开课 - 生物医学工程探索课程节选

After his mother died, and so one theory is the role in his life is his mother and his loss of her.

他母亲去世后，有一种理论说,他的母亲和母亲的死在他生活中起了重要作用。

麻省理工公开课 - 电影哲学课程节选