The belief has been that no matter what happens or what we do, basic happiness levels are stable and don't really change.

人们一直认为，无论我们遇到什么事情，基本的幸福水平是相当稳定的，并不会发生真正的改变。

youdao

Pacemakers rely on a basic wireless system to set a stable heartbeat. Ultrasound and X-ray technologies are wireless.

起搏器就是基于无线系统维持稳定心跳，超声波与X -光都用到了无线技术。

youdao

In general, basic Roo support is pretty stable and mature as it stands.

总的来说，基本的Roo支持很稳定、很成熟。

youdao

And it has a more basic selling point a reputation as a safe, stable and reliable country.

ECONOMIST: The APEC summit is a chance for Chile to prove itself

Meanwhile, the overwhelming majority of people still live in specific places and depend on local and national governments for social benefits, beginning with items as basic as stable currencies.

NEWYORKER: Evening the Odds

He has spent the past two years trying to sell the cyclical chunks of the group, especially basic chemicals, and to concentrate on research-intensive drugs, which produce higher margins and more stable profits.

ECONOMIST: Restructuring corporate Germany