It depends on her personality and habits, which can roughly reflect her preferences, and then you can give her something she likes. Of course, her education level, her type of work, her usual dress and so on must be considered, so that you can choose her favorite gift.
1. Women in their 40s are no longer young, so what they yearn for most is to be young again, and your mother's friends work in big companies, so their temperament must not be bad, so you can give some high-end cosmetics, perfumes and other gifts that can increase her temperament, so she will definitely like it.
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