For example, an application that helps users keep track of carmileage loses focus on this functionality if it also keeps track of car dealer locations.
例如，一个记录汽车里程的程序如果不把重心放在这个功能上反而记录汽车经销商的位置。
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This technology works because engines right now are very fuel inefficient and by adding oxyhydrogen gas (HHO) to the equation, they start to run efficiently and your carmileage goes up incredibly.