随着圣诞节的临近，这是一个向客户表达感谢与美好祝愿的绝佳时机。无论是长期合作的伙伴，还是刚刚建立联系的新客户，一句真诚的节日问候都能拉近彼此的距离，增强信任感。

在英文中，表达圣诞祝福的方式多种多样，可以根据客户的背景和你们之间的关系选择合适的语气和措辞。以下是一些适合发送给客户的圣诞祝福英文句子，既专业又充满节日气氛：

1. Merry Christmas and a Happy New Year! We truly appreciate your continued support and look forward to working with you in the coming year.

2. Wishing you a joyful Christmas and a successful New Year. Thank you for being a valued partner.

3. Season’s greetings! May this holiday season bring you peace, happiness, and all the best that life has to offer.

4. As the festive season approaches, we want to take a moment to thank you for your trust and collaboration. Have a wonderful Christmas!

5. Happy Holidays! We are grateful for your partnership and wish you a peaceful and joyful Christmas.

这些祝福语不仅表达了节日的喜悦，也体现了对客户关系的重视。如果你希望更个性化一些，可以加入具体的合作项目或感谢的话语，让信息更具人情味。

此外，在发送祝福时，也可以附上一张温馨的圣诞贺卡图片或简短的视频，进一步提升客户的体验感和满意度。

总之，圣诞节不仅是放松和团聚的时刻，也是加强客户关系的好机会。用一句真挚的英文祝福，不仅能传递温暖，也能为未来的合作打下更好的基础。