"You really need system-wide Skolkovas - Silicon Valley - otherwise it ends up just like under Catherine the Great when they imported a lot of German tradesmen and planted them in various settlements - but they were fairly self-contained.

VOA: standard.2010.06.18

Now a sign traditionally understood is self-sufficient, self-contained.

传统意义上的符号是自给自足的。

耶鲁公开课 - 文学理论导论课程节选

We were as mobile and self-contained as a cruise ship.

NEWYORKER: The Grand Tour

The boy was born, and the little triad was sighted on Seventy-eighth Street, always self-reliant and self-contained, always in a hurry.

NEWYORKER: Lucky Alan

It is a collection of self-contained towns, each with a train station instead of a town square.

BBC: Seeing Tokyo along the Yamanote Line