虽然接受回调函数的函数功能十分强大，但是没有一种好方法可以执行一次性回调函数，而无需执行一些非常笨拙的工作。
Although the functions that accept callback functions are powerful, there isn't a good way to do a one-off callback function without some very inelegant work.
UBot的关键能力就是它的自主平衡能力，即使遭碰撞也可恢复平衡——如果有一天机器人能与笨拙的人类在同一场所工作，这种能力至关重要。
The UBot's key ability is that it can balance itself, even when bumped - crucial if robots are to one day work alongside clumsy human beings.
在电脑产业中软件公司也许更倾向于在家与伙伴一同工作：移动运营商被普遍看作是笨拙的巨人，如果不是贪婪的食肉动物的话。
Software firms may feel more at home working with partners in the computer industry: mobile operators are widely seen as lumbering giants, if not greedy predators.
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