out of necessity

Andrew Schubert, a researcher at the institute for science policy research, says that the rising collaboration is partly out of necessity.

科学政策研究所的研究员安德鲁·舒伯特表示，这种日益增强的合作在一定程度上是必要的。

Andrew Schubert, a researcher at the institute for science policy research, says that the rise in collaboration is partly out of necessity.

科学政策研究所的研究员安德鲁·舒伯特表示，合作的增长有一部分是出于必要性。

At the same time, people continue to treat fire as an event that needs to be wholly controlled and unleashed only out of necessity, says Professor Balch at the University of Colorado.

科罗拉多大学的鲍尔奇教授说，与此同时，人们一直把火当作一个需要完全控制且只有在必要的情况下才会让其释放的事件。