在第二次OOPSLA会议时，……我想是第二或第三次会议时，我们开了一个研讨会，是关于对象设计的研讨会。
At the second OOPSLA,... I think, the second or the third, we took over a workshop, which was a workshop on object design.
一个不错的经验法则就是当您第二次必须解决某个问题时，首先考虑实用程序的设计。
A good rule of thumb is to start thinking about the design of a utility the second time you have to solve a problem.
该公司的火箭可以二次使用，其设计不但可以发射至太空中，还可以在一天中往返数次。
The company's reusable rockets are designed to lift off for space and return several times a day.
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