time is useful的意思|示意

A credible inflation target of 2 or 3 per cent, maintained over a credibly long period of time, is useful.

在相当长的一段时期内，维持2%或3%这种可靠的通胀率目标，是有用的。

In fact, given that traditional economic forecasts miss structural breaks all the time, it is both difficult to achieve and useful.

事实上，考虑到传统经济预测始终忽略了结构性突变，这种预测不仅难度很大，也很有用。

Using programmatic emulation is useful if you are tired of entering values or even picking values from the data pool every time a component is emulated.

如果在每次模拟组件时厌倦了输入值，或者甚至厌倦了从数据池选取数据，则使用编程式模拟非常有用。

The concept of a container is critical at design time and is useful in other situations as well.

容器的概念在设计时很关键，并且在其他情况下也很有用。

This is very useful if you don't have time to launch your e-mail application to see the contents of a last-minute message.

如果您没有时间启动电子邮件应用程序来查看一封紧急消息的内容，那么这个选项很有用。

Another way to make daily builds more useful for reducing wait time is to prioritize what failures to fix first.

使每日的构建对减少等待时间更有用的另一个方法是对首先确定什么失败划分优先级。