question mark

The editor reminded the writer that every direct question must end with a question mark.

(Chinese) 编辑提醒作者，每个直接疑问句都必须以问号结尾。

In Spanish, a sentence starts with an inverted question mark and ends with a normal one.

(Chinese) 在西班牙语中，句子以倒问号开始，以正常问号结束。

The future of the company remains a huge question mark after the CEO's sudden resignation.

(Chinese) 在首席执行官突然辞职后，公司的未来依然是一个巨大的问号。

There is a question mark hanging over his fitness for the upcoming marathon due to his recent injury.

(Chinese) 由于他最近受伤，他是否能胜任即将到来的马拉松比赛仍存有疑问。