to remain
例子
Despite the challenges, he remained optimistic.
尽管面临挑战，他仍然保持乐观。
The old castle continues to remain a symbol of the town's history.
古老的城堡继续保持着小镇历史的象征。
02
留下, 逗留
to stay in the place one has been for some time
Intransitive: to remain somewhere
例子
After the meeting, she decided to remain in the conference room to review the documents.
会议结束后，她决定留在会议室里审阅文件。
The travelers were exhausted, so they chose to remain in the comfortable hotel for an extra day.
旅行者们疲惫不堪，所以他们选择在舒适的酒店里多呆一天。
03
剩下, 留存
to stay in existence after other parts or elements have disappeared or been used up
Intransitive
例子
The ancient ruins are all that remain of the once-thriving civilization.
古代遗迹是曾经繁荣的文明所剩下的一切。
After the floodwaters receded, only a few scattered belongings remained on the shore.
洪水退去后，岸边只剩下一些零散的物品残留。
04
剩余, 有待
(of tasks, issues, or actions) to still be incomplete or unaddressed
Intransitive
例子
Several important decisions remain to be made before the project can move forward.
在项目可以推进之前，还有几个重要的决定待做。
Although the main issues were discussed, the budget problem remains.
尽管主要问题已经讨论过，预算问题仍然存在。
