useful bird

The owl is a useful bird.

猫头鹰是一种益鸟.

We can roll this out in a matter of hours, said TCN co-founder CEO Terrel Bird, who positions the technology as useful for any call center organization.

TCN的共同创始人兼首席执行官特雷尔o伯德表示，这项技术适用于任何客服机构。他说，我们只需要花几个小时就能安装这个功能。

Anyone who has lived for long in the real world has learnt that a bird in the hand is a useful maxim, even if a bird in the the hand is not.

任何长期生活在现实世界的人，都知道一鸟在手是一句有意义的谚语，即使一鸟在在手不是。

It is of course very useful for a migrating bird to be able to switch to a magnetic compass when clouds cover the sun; otherwise it would just have to land and wait for the sun to come out again.

具有这种磁场罗盘，对候鸟来说当然非常有用，因为如果乌云遮日，它可以以磁场为向导继续飞行，否则它就只好着陆，等待太阳重新出现。