Definition: a sign or proof that something exists Level: C2
她如此快速地解决复杂问题的能力是天才的标志。
Her ability to solve complex problems so quickly is ___a ___mark ___of genius.
各处默哀一分钟以示敬意。
There was a minute's silence everywhere as ___a ___mark ___of respect.
完成马拉松是他决心的标志。
Completing the marathon was ___a ___mark ___of his determination.
