the person who has the position immediately below the president in some countries, and who is responsible for the president's duties if he or she is unable to do them

Vice President Biden 拜登副总统

[ as form of address ] Thank you, Mr/Madam Vice President. 谢谢您，副总统先生/女士。

the person who is responsible for a large, important part of a company or organization

She's vice president of sales and marketing. 她是主管市场营销的副总裁。

[ as form of address ] Thank you, Mr/Madam Vice President. 谢谢您，副总裁先生/女士。