开销

Older people shouldn’t skimp on food or heating.

老应过分吝惜食物或取暖方面开。

Any out-of-pocket expenses incurred on the firm’s business will be reimbursed.

由公司业务产生开都可以报。

At the committee meeting, I crossed swords with Professor Smith over her department’s overspending.

在委员会会议上,我与史密斯教授就她们系开太大问题发生争执。

I’ve enough money to defray expenses.

我钱足夠支付开。

Compared with the existing schemes, the proposed scheme can rekey real-time, provide a high level of security and reduce communication overhead at the same time.

与已有方案相比较，此方案能实时地更新组密钥，有着更好安全性并具有较小通信开。