You could send an e-card.

你可以邮寄电子贺卡。

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Send an e-card: If snail mail is too slow for you, you can send romantic e-cards instantly.

电子贺卡：如果你觉得寄信太慢了，你可以发送一封浪漫的电子贺卡来代替。

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Send an e-card instead of a paper card.

用电子贺卡代替纸质贺卡。

youdao

Send an e-card instead of a paper card.

用电子贺卡代替纸质贺卡。

youdao