公司通过实施更严格的预算避免了不必要的开支。

The company avoided ___needless expenses by implementing stricter budgets.

所有那些不必要的担心都是徒劳的；结果一切顺利。

All that ___needless worrying was for nothing; everything turned out fine.

考虑到他收入一般，购买那辆豪华车是一种不必要的奢侈。

Buying that luxury car was a ___needless extravagance, given his modest income.