When a threshold is getting closer to the limit, the brokering Web service sends a threshold warning notification to a human-facing Web service.

当阈值渐渐接近限定值时，代理 Web 服务向面向人的 Web 发送一个阈值警告通知。

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If the warning threshold is too close to the quota, it is possible that one message could trigger both the threshold warning and the over-quota actions.

如果警告门限太接近于限额，一条消息就可能同时触发门限警告和超限额动作。

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On Friday, dollar borrowing costs increased and crossed a new threshold, one warning sign of strain in the global financial system.

WSJ: Bank Woes Take Center Stage: SNB Reports Dollar Borrowing; UBS, Credit Suisse Deny Tapping Facility

When this recession-warning gauge passes the threshold probability of 50%, the U.S. hotel industry enters a recession.

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