germane

1. ADJ Something that is germane to a situation or idea is connected with it in an important way. 有重要關聯的[正式] [oft ADJ 'to' n]

...the suppression of a number of documents which were very germane to the case. ...對幾份與本案密切相關的文件的隱瞞。

Fenton was a good listener, and his questions were germane. 芬頓是個好聽衆，他的提問切中要害。