What do you mean by charging for new and American planes?

Take the mobile phone as an example. The meanings of charger and beauty machine are as follows:

1, the punching machine is to sell the machine that has been used for a few days or 10 days as a new one.

2, the US machine is a mobile phone, with good color, no obvious bumps and scratches, and traces of normal use.

Smart phones (also known as smart phones, smart phones, English: smart phones) are the general names of those mobile phones whose computing power and functions are stronger than those of traditional functional phones. The most commonly used operating systems for smart phones are Symbian (delisted), WindowsPhone, Android, IOS and BlackBerryOS, but their application software is incompatible with each other. Smartphones can install third-party software like personal computers, so they are rich in functions and can be continuously expanded. Ordinary mobile phones use very humanized 9-core and 12-core interfaces, which is convenient for users to get started. Smartphones can freely customize the interface and be more flexible. Because of the convenience of smart phones, they quickly became popular all over the world, and the manufacturing cost was higher than that of non-intelligent ones. With the improvement of manufacturing technology and the price reduction of electronic components, the price of smart phones is already very cheap.

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