These statistics are easy to gather, but without an unintrusive means of retrieving the data when it is needed, they are not very useful.

这些统计值容易搜集，但是在需要数据的时候，如果没有非侵入性的数据检索机制，那么这些值就不太有用。

youdao

Mr Cartier-Bresson always said that to be a great photographer you had to be unintrusive.

ECONOMIST: Henri Cartier-Bresson

For one, brain wave monitors are hardly unintrusive, but it's a glimpse at what's possible with powerful APIs and a little creativity.

ENGADGET

The background noise should consist of unintrusive non-characteristic noise.

BBC: The pleasures and perils of the open-plan office