Yet the fact remains that the merger movement must be watched.

是谓语 他是不及物动词 但在这里remain 常可与stay 互换, 但它强调“继续停留于一处或保持原状态、情况性质而不改变”
没有介词!帮翻译 that是后面部分的引导词!
remains
[rI5meIns]
n.
残余, 遗迹, 遗体

remains
re.mains
AHD:[r¹-m³nz“]
D.J.[ri6meinz]
K.K.[r!6menz]
pl.n.（复数名词）
All that is left after other parts have been taken away, used up, or destroyed.See Synonyms at remainder
剩余物：在其他部分被拿走，用光或破坏掉之后所有东西参见 remainder
A corpse.
一具尸体
The unpublished writings of a deceased author.
遗稿：已经去世了的一位作家的没有出版的作品
Ancient ruins or fossils.
古代的残迹或化石

remains
[rI5meIns]
n.
剩余物
We found the remains of a meal on the table.
我们在桌上发现了剩下的饭菜。
遗体；遗骨

remain
[ri5mein]
vi.
停留, 留下
剩余, 余留; 保留
继续存在; 依然, 仍然...; 保持
终属, 归于(with)
remain in one's mind
留在记忆中
remain modest and prudent
保持谦虚谨慎
How many weeks will you remain [stay] here?
你将在此停留几个星期?
I remain yours truly [since