How does the company train employees to handle complaints? This question can be answered from the perspectives of training programs, skill development, and company culture. It can be considered how the company improves employees' ability to handle complaints through formal training, practical experience, and continuous learning.

公司如何培訓員工處理投訴？這個問題可以從培訓程序、技能提升和公司文化三個角度來回答。可以考慮公司如何通過正式培訓、實踐經驗和持續學習來提高員工處理投訴的能力。