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6. Check the battery usage lists.
6. 檢查電池用量清單
Consumers can get even better results with a bit of sleuthing. Both the iPhone and Android systems provide a simple way to see which apps are using a lot of battery power. For iPhones and Android phones, open the Settings app and in the Battery menu, there are sorted lists of apps that are using the most energy.
消費者只需做一點調查，就能得到更好的體驗。iPhone和安卓系統都有簡便的方法，可以看到什么應用耗費了大量電量。打開“設置”的“電池”菜單，就可以看到各個應用使用電量的列表。
On the iPhone’s battery usage screen, tap the clock button to reveal information about how much of your battery life each app is consuming when you’re actively using the app (“screen”) compared with when you’re not (“backgd”). On Android, the most useful information are the timers for “CPU total” and “CPU foreground.” Foreground is how much time you had the app open; subtract “foreground” from “total,” and you’ll know how much time the app has been busy in the background.
在iPhone手機里，點擊列表旁邊的時鐘，就可以顯示出電池使用時的耗電量（“前臺工作”）和不使用時的耗電量（“后臺工作”）。在安卓手機里，最有用的信息是“CPU總量”和“CPU前臺”的計時。前臺計時是你打開這個應用的時間，用“總量”減去“前臺”，就可以知道這個應用在后臺耗費了多少電量。
