Do not placed on high power speaker box.
不要放在大功率音箱箱体之上。
Plus, the headphone jack only sends information one way: from power source to speaker.
另外，耳机接口只能单向发送信息：从电源到扬声器。
Despite its popularity, Power Point does not make you a better speaker.
虽然使用PowerPoint是很流行，但它并不会让你的演说变得更好。
Despite its popularity, Power Point does not make you a better speaker.
虽然使用PowerPoint是很流行，但它并不会让你的演说变得更好。
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