For advanced users, the system should provide a way of tracking references that are found to be of interest along the way.

该系统应为高级用户提供按线索跟踪相关参考资料的方法。

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By using refactoring, you can update references throughout the database project without manually tracking which objects depend on each other and then updating references one at a time.

您可以使用重构来更新整个资料库专案的参考，而不必手动追踪哪些物件彼此相依，然后一次更新一个参考。

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"Tracking down my previous references proved problematic since many of the companies were Internet start-ups that have gone out of business, " Spenser says.

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