stream 最好—— A trend, course, or drift, as of opinion, thought, or history.
比如
the stream of time
时代趋势
the stream of popular opinion
舆论趋势
the stream of history
历史的潮流
agitation偏向于骚动
风潮应该用fashion吧
观念用sense
agitation风潮
notion观念
（请采纳0
agitation
frontier
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024