我打算讨论一下给孩子买手机的利与弊，以及买手机最有效，最便宜，最健康的方式。
My intent is to discuss the hazards and the advantages of buying children cell phones as well as the most efficient, inexpensive and healthiest way to do it.
手机的利与弊无论你在何地，你都会看见许多人使用手机。
Advantages and Disadvantages of the mobile phone Wherever you are, you can see many people equipped with mobile phones.
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