This problem is more obvious and thus easier to detect, but difficult to explain.
这个问题更加明显一些并且比较容易检测，但却很难解释。
Change the battery when it goes bad which is incredibly obvious and easy to detect.
更换电池出现故障时，这是令人难以置信的明显，容易发现。
Change the battery when it goes bad which is incredibly obvious and easy to detect.
更换电池出现故障时，这是令人难以置信的明显，容易发现。
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