In addition, the Regular expression Evaluator allows you to test an expression while you're editing it, saving you the time of having to run the script to see if the pattern worked.
另外Regular Expression Evaluator允许您在编辑时测试表达，这节省了您不得不运行脚本以查看模式是否运行的时间。
The fields in the card-based forms can be referenced like cells in a spreadsheet and can contain either data or an expression that determines the data at run-time.
基于卡片的表单中的字段可以像表格中的单元格一样引用，可以包含数据，也可以包含能在运行时确定数据的表达式。
If you've spent a significant amount of time working with object-oriented languages, you've probably run into examples of the Expression Problem.
如果您已经花费了大量的时间使用面向对象的语言，则您可能已经遇到了表达式问题的例子。
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