For safety "s sake, don" t drive more than 30 kilometers per hour in the city.

为了安全起见，在市内开车时速不要超过三十公里。

youdao

Modern solar collectors can concentrate only so much energy for safety's sake: too much in one place and they risk cooking themselves.

ENGADGET

My answer is that it should, for the nation's sake, pursue an unabashedly liberal program of expanding the social safety net and reducing inequality a new New Deal.

NPR: Krugman: Income Inequality Pricks 'Conscience'