All together, there is a text input box with a label, a spinner (a combo box or a drop-down) with a label, a button, and a another text area for output.

有一个带标签的文本输入框、一个带标签的微调器(一个组合框或下拉框)、一个按钮和一个用于输出的文本框。

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First of all, labels should be close to their input fields, either directly above or to the left of a text field, or immediately to the right of a check box or radio button.

首先，标签应该靠近它们的输入域，可以直接在文本域上方，也可以在文本域的左侧，或者就在复选框或单选按钮的右侧。

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This will tell you whether a particular button, such as the bold button, is currently selected, so you can tell whether the text you enter into the applet is supposed to be bold or not.

它能告诉您某个按钮(如粗体按钮)是否已被选择，从而可以知道您输入的文本是否为粗体。

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Users send an invite by email or text message, and the invitee taps a button to enter a browser chat, which opens a browser-based chat room on their phone.

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Even a decade or so ago, most phones had dull gray screens, clamshell designs or tiny keypads that made you hit a button over and over to text one letter of the alphabet.

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