The convenience of public conveyance would encourage commuters not to use their cars, which is the primary reason for bad traffic in many cities.

公共交通工具的便利将鼓励通勤者不使用他们自己的汽车，使用自己的汽车是许多城市交通拥堵的主要原因。

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But the camera companies underestimated just how important convenience was to consumers, and the public's appetite for sharing photos of moments right when they happened.

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Our public school problem is not spending, but a school system run for the convenience of teachers and administrators.

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