---How do you deal with a disagreement between the company and its customers?---The key to solving the problem is to mee
问题描述：
---How do you deal with a disagreement between the company and its customers?---The key to solving the problem is to meet the demand made by the customers
为什么是the key to solving the problem?而不是the key to solve the problem?
答
key后面的to是介词,后跟名词或动名词