Don t install it around a humid environment or place which has water drops.

不要安装它周围潮湿的环境或有水滴的地方。

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You can install other software on it, you don't have to use the Apple Store, you can use third party stores.

你可以在上面安装其他的软件,你不需要使用苹果原装软件，可以使用第三方的软件。

哈佛公开课 - 计算机科学课程节选

As Samsung highlighted during this year's Mobile World Congress, retailers prefer barcodes because they don't have to install any new infrastructure to support it.

ENGADGET: Samsung partners with Mobeam to offer scannable bar codes on the Galaxy S 4