watcher
🇺🇸
/ˈwɑːtʃər/
🇬🇧
/ˈwɒtʃə(r)/
A person who pays close attention to someone or something.
As a market watcher, she closely monitored the trends and changes in the industry.
作为一名市场观察者,她密切监控着行业的趋势和变化。