Most major PC makers will sell you selected Vista models with an option, which sometimes costs extra, officially called a 'downgrade,' but sometimes marketed as an 'upgrade' or 'bonus.'
大多数大型PC生产商都会在特定的Vista机型中提供一个选项(有时需要加钱)，官方称为“降级”，但有时以“升级”或“馈赠”的名目进行推广。
Most computer makers deal with this by jamming as many lithium-ion cells as they can into a removable battery pack, adding bulk to the system.
大多数厂商解决这个问题的方法，是在可拆卸电池中尽量塞入更多的锂离子电池芯，让整部电脑变得更沉重。
Most computer makers deal with this by jamming as many lithium-ion cells as they can into a removable battery pack, adding bulk to the system.
大多数厂商解决这个问题的方法，是在可拆卸电池中尽量塞入更多的锂离子电池芯，让整部电脑变得更沉重。
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