Attaching a camera to a cell phone adds more buttons, menus, points of failure, and a bigger price, all for something you don't want. Well-something you thought you didn't want.

在手机上安装摄像头就必须得同增加更多的按键，更复杂的菜单，还有更多的故障点和更高的价格，这一切都是消费者不想要的——至少是消费者认为他们不想要的。

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Eventually, he began to study an antibody called Ibalizumab that was designed to block HIV from attaching to CD4, the primary receptor used by the virus to infect a cell.

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