1·When you live a life of deception you get to be very good at it; a well-constructed lie is a lot more useful than the truth.
当你生活在一个被谎言包围的世界中于是你定会非常善于此；一个有着完美构建的谎言往往要比真话有用的多。
2·While mathematical fluency is very useful, it should not be at the heart of economics instruction.
尽管数学精算十分有用，但不应成为经济教学的核心。
3·Actual solutions that are harvested at the end of client engagements also provide very useful assets that can be leveraged to assist in the creation of the technical solution.
真正的解决方案是在客户事务结束时取得的，它能提供非常有用的资产，有助于创建技术解决方案。
4·That data is destined for the Internet, to be re-used, at which point we will see some very useful applications arise... if the privacy and security concerns can be assuaged.
这些数据已经注定离不开互联网，一旦它们得到重复使用，那么市面上将会浮现很多有用的应用程序……当然，一切的前提是隐私和安全问题可以得到缓解。
5·It can be very useful to look at the total elapsed time and compare that with the user and system CPU times.
看看总耗时，并将其与用户和系统CPU时间相比较，这样做是十分有用的。
6·Actually I'm very happy for you to ask me questions because if you do, it might be a clarification question like that one, which is quite useful. If you look at that, let's skip to that one.
实际上我很乐意你们提问，因为你们这样做可能将问题解释的更清楚，非常有用，如果你注意那个，我们就跳到。
7·Balance balls can be purchased at any fitness retailer, and are very useful in the golf swing.
平衡球可以从任何一间健身器材零售店购得，对挥杆相当有帮助。
8·A hot core heater would be very useful to avoid condensation of the constituents of air at the higher Mach Numbers.
利用一个核心加热器，可以有效地避免空气成分在较高马赫数时发生冷凝。
9·You will be particularly good at convincing people to come around to your opinion, which is very useful in teaching.
你有着极强的能力说服人们拥护你的观点，这将十分有助于你传道授业。
10·This can be very useful sometimes if you have multiple computers at home or on your network that you want to quickly shutdown or restart.
这可以非常有用，有时如果您有多个电脑在家里或在您的网络上，你想要快速关机或重新启动。