Common things are to write a message that thanks for the love she has given you, send her a card or buy her a gift.

常见的做法是写一条消息感谢她给你的爱，送她一张卡片或给她买个礼物。

youdao

For her birthday, I didn't want to repeat my mistake so I gave her another gift card. I never received a thank-you note for either.

在她的生日会上，我不想重蹈覆辙，所以我送给她另一张卡片，我也从来没有收过一张感谢函。

youdao

For her birthday, I didn't want to repeat my mistake so I gave her another gift card. I never received a thank-you note for either.

在她的生日会上，我不想重蹈覆辙，所以我送给她另一张卡片，我也从来没有收过一张感谢函。

youdao