无接触式信用卡的出现似乎使情况有所改变，因为有些自动售货机的输入口拒绝现金。
Though the advent of RFID-enabled contactless credit cards seems to be changing that, as there are some outlets including vending machines that are refusing cash.
如果是这样的话，对操作系统设计的接触就是一个非常重要的输入要素。
If so, access to the design of the operating system itself is an important input.
使用物理键盘时，你直接触摸并选择按键，按下键来进行输入。
On a physical keyboard, you touch the keys to determine position and then press down on them to type.
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