He sought to extract the maximum political advantage from the cut in interest rates.
他力图从利息削减中谋取最大的政治利益。
《柯林斯英汉双解大词典》
2
This demonstrates that you can pull out only those columns of interest, and you can also extract them from the table in a different order than they exist within the database.
这说明您可以只提取感兴趣的三个列，还可以使用与数据库中的顺序不同的顺序从表中提取它们。
3
Notice in the above example how much simpler it is to extract just the data for the table of interest using the table function rather than having to search for the data in the snapshot output.