If a woman needs more than that, she may request them or buy them at her own expense at the commissary.

如果女监犯需要更多，可提出申请或者在监狱里的杂货店自费购买。

youdao

All of it was at her own expense.

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Few of her jokes come at anyone's expense, except her own, and expletives, with which her act is liberally seasoned, are nowhere to be found.

WSJ: A Joan Rivers Moment