由于碳纤维的高成本和复杂性，因此宝马对它的使用还比较谨慎，但它未来必然会在宝马汽车上扮演更大的角色。

But carbon fiber, which is used only sparingly now because of its cost and complexity, is understudying for a larger role.

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除此之外，您可能还希望使用其他方法来验证DB 2中的数据，如比较一些重要查询的输出结果。

Beyond this you might also want to verify the data in DB2 carefully by using other methods, such as comparing the output of important queries.

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在服务器或者客户端中使用过滤系统，还意味着您可以利用比较简单的规则来处理垃圾邮件过滤器无法识别的垃圾邮件。

Using a filtering system on your server or client also means that you can take advantage of simpler rules to dispose of spam that gets through the spam filters.

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