Clicking the button displays a calendar in a drop down menu, and selecting a date using the mouse enters the corresponding string into the text input field.

点击那个按钮，会在下拉菜单中显示一个日历，然后使用鼠标选择日期，相应的字符串就会输入到本文输入域中。

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When a user selects a date from the drop down menu, it has to be formatted into the corresponding string, requiring the opposite lookup, namely the acronym given the index.

当用户从下拉菜单中选择了一个日期后，它必须被格式化为相应的字符串，需要进行反向查找，也就是根据索引查找缩写。

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For example, when you type a string the drop down is populated with a list of popular search terms, all of which begin with the string typed by the user (as shown in Figure 1).

例如，当您在具有下拉显示最流行搜索条的搜索框中输入字符时，最开始显示的都是用户输入过的字符(如图1所示)。

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Though most simply remember the 1987 Crash as one panicked selling day, Black Monday was just the largest drop in a string of bad days.

FORBES: Fears That Sparked Black Monday In 1987 Dormant But Not Dead

As a string of cars pulled up to drop off the sport stars, Omari and Sukhpeet quickly learned that a sudden burst of flashbulbs from the waiting photographers was a sign to start preparing for the next big name.

BBC: School Report goes backstage at Sports Personality