1. "All my best wishes for a pleasant journey! I hope you'll have a nice trip!"
2. "With best wishes for your safe arrival!"
3. "All best wishes for a nice voyage! Will you accept my best wishes for a safe voyage？"
4. "Time is flying away, and years are passing by. Only our friendship is always in my heart. Farewell, my friend! Take care, my friend!"
5. "No formula can be used to calculate your devotion； no poems and songs to express our heartfelt gratitude. You have cultivated our minds with your extensive knowledge and noble spirits. On this special occasion, please accept our best wishes!"
6. "Green mountain does not change the green water long current, has a chance to meet again! See you later!"
7. "Be well, do good work, and keep in touch. In the hope to meet shortly again, and make our absence sweet."
8. "Goodbye, but not forever."
9. "Take care! I'll miss you!"
10. "Wish you all the best! It was nice meeting you!"
这些赠言涵盖了从简短的祝福到深情的告别，适合不同的离别场合和对象。希望这些建议对你有所帮助。