过滤条件可以指定为列名，其后跟等式、不等式或布尔运算符，然后是过滤值。

Filter criteria are specified as the column name, followed by an equality, inequality, or Boolean operator, followed by the filter value.

youdao

这很容易做到，只要想想什么情况下你会变得不耐烦，就可以开始行动了——这就像做数学运算一样，在你列出等式得出最后答案之前，你必须知道你的参数。

It's like solving a mathematical word problem. Before you can come up with an equation and an answer you must know your data.

youdao

方程与算数的等式不同在于它含有可以参加运算的未知量。

Equation is different from arithmetic identity in that it contains unknown quantity which can join operations.

youdao