例句 Facebook cautioned that its journalism project was in the early stages,and

would evolve as the needs of publishers, readers and journalists changed.【2017-1《纽约时报》】

脸书提醒说其新闻项目还处于早期阶段，会随着出版商、读者和记者需求的变化而逐步发展。

考点 to act with caution 谨慎行事【2012 英语（一）新题型】

派生 cautious [ˈkɔːʃəs] adj. 谨慎的，小心的