If your desire is to have a more distinct look for your app, using one of the system themes as a starting point for your customizations is a good idea.

如果你希望你的应用看起来很独特，那么使用系统的主题最为你自定义的主题的一个开启，是个很好的注意。

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On the one hand, he says, they demonstrated their will to integrate, but they also had a clear desire to maintain a distinct cultural identity.

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However Dublin's consistent commitment to Brussels throughout the 70s and 80s reflected a desire to carve out a European identity distinct from its past as a part of the British realm.

BBC: Northern Ireland