In years past, two-tiered systems were used to drive down costs in hard times, but mainly at companies already in trouble.

过去几年中，双重标准体系是在艰难时期用来降低成本的，但是仅在已经陷入困境的公司中才有使用。

youdao

In years past, two-tiered systems were used to drive down costs in hard times, but mainly at companies already in trouble.

过去几年中，双重标准体系是在艰难时期用来降低成本的，但是仅在已经陷入困境的公司中才有使用。

youdao