在写一张2024年龙年英语贺卡时，你可以考虑使用以下一些内容：

祝福语：首先，你可以用一些祝福语来开始你的贺卡。例如，“Happy Dragon Year!” 或者 “Wishing you a very prosperous and lucky Dragon Year!”

赞美龙年：接下来，你可以赞美龙年，突出龙在中国文化中的重要性和象征意义。例如，“The Dragon Year is a time of great strength and good fortune, symbolizing power and luck.”

表达期望：然后，你可以表达你对收卡人在新一年的期望和祝愿。例如，“I hope this Dragon Year brings you success in all your endeavors and happiness in your life.”

结尾：最后，你可以用一个温馨的结尾来结束你的贺卡。例如，“May the joy and prosperity of the Dragon Year fill your heart and home. Happy Dragon Year!”

以下是一个完整的英语贺卡示例：

Dear [name],

Happy Dragon Year! As we enter the year of the dragon, I want to send you my warmest wishes for a prosperous and lucky year.

The dragon, a symbol of strength and good fortune, represents the best qualities we all aspire to have. In this Dragon Year, I hope you will be blessed with success in all your endeavors, happiness in your life, and peace in your heart.

May the joy and prosperity of the Dragon Year fill your home and bring you endless happiness. Wishing you a very happy and lucky Dragon Year!

With love and best wishes,

[your name]