or just keep low
或者保持低调
以上为机器翻译结果，长、整句建议使用 人工翻译 。
If you absolutely must use your iPod on the run, just use one earbud or keep the volume low so you can still hear what's going on around you.
如果你实在必须在跑步中听ipod，那就只听一边耳机或把音量调低，这样你仍然能听到周围发生了什么。
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