obvious indication

明显的迹象：指一些明显的、容易被察觉的迹象或标志
常用释义
明显的迹象：指一些明显的、容易被察觉的迹象或标志，可以用来表明某种情况或事实。

例句

Viruses often do not give any obvious indication that they are running, so it is best to run your antivirus software at all times.

病毒在运行时通常并不显示任何迹象，因此最好始终运行防病毒软件。

结论内镜鼻窦手术后应用自制水囊填塞止血，具有操作简单、经济实用、效果明显、适应证广等特点。

The most obvious indication of an oncoming episode is a change in personality.

最明显的是性格的变化。