For example, the task is prepared to be finished in the certain time, but as we are easy to be lost in the computer games, nothing will be completed in the end.
例如，任务是要在特定的时间内准备完成，但是我们很容易迷失在电脑游戏里，最后什么也做不了。
It is easy to be lost in an unfamiliar place. Therefore, it is helpful for the foreign friends who are new to China to know how to ask for directions in Chinese.
在不熟悉的地方经常会迷路，因此，对于刚来中国的外国朋友来说，学会用汉语问路是非常有用的。
The invention has the advantages of a double locking structure by use of the plug, the jack and the movable button, high safety and simple structure and is not easy to be lost.
本发明的有益效果在于：采用插头与插孔和活动扣的双重扣紧结构，安全性高，结构简单，不易丢失。
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