The hosting of the Olympic Games is a touchstone for testing urban development.

这次奥运会的举办就是检验城市发展的试金石。

Practice is the touchstone of all truth.

实践是所有真理的试金石。

In order to develop a new generation of products, the team has repeatedly modified the touchstone.

为了研发新一代产品，团队多次修改了检验标准。

Job security has become the touchstone of a good job for many employees.

对许多雇员来说，工作的稳定性已经成了一份好工作的标准。

Love is the touchstone of virtue.

爱情是德行的试金石。

Calamity is man's true touchstone.

灾难是人的真正试金石。

Love is the touchstone of the virtue.

爱是美德的试金石。

Adversity is the touchstone of friendship.

逆境是友谊的试金石。