Try out the examples in this article to experience how you can improve runtime performance for queries that contain host variables or parameter markers by using the REOPT option.

通过尝试本文所给出的示例，您就能够体验到如何使用REOPT选项来提高那些包含主机变量或参数标记的查询的运行时性能。

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Following this argument to its logical conclusion, because they are poor readers, they should not try to learn how to improve their reading.

按此论据得出的逻辑结论便是：因为他们阅读能力差，他们就不必作任何努力去学习如何来提高其阅读能力。

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This leads to a question: when is it better to understand and improve upon an existing solution, and when is it better to dismiss the existing solution and try a new approach?

这引出一个话题：什么时候更适宜去理解和改进一个现有解决方案要，而什么时候又适宜摒弃现有方案而尝试新的途径呢？

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But it's also helpful to think just for health and well-being in general, what might be done to improve the diet and this will be a good way to try to get at that.

但如果出于健康考虑,想想如何能改善饮食,也是很有益处的,这次的作业就是一个改善饮食的好方式

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But progress is being made to try to improve this within GP (or family doctor) training.

ECONOMIST: Letters

To try to demonstrate this, Merck launched IMPROVE-IT, an 18, 000 patient trial comparing Vytorin to simvastatin.

FORBES: Cholesterol Drug Heart Study Continues, But Will Merck's Vytorin Really IMPROVE-IT?

What were billed as "tough" measures brought in by Beijing's government this week to try to improve things simply have not been enough.

BBC: 'Airmageddon': China smog raises modernisation doubts