A：Excuse me ,but are you Mr .Black from the International Trading Corp ?
A：Excuse me ,but are you Mr .Black from the International Trading Corp ?
请问，你是国际贸易公司的布莱克先生吗？
A：Excuse me ,but are you Mr .Black from the International Trading Corp ?
请问，你是国际贸易公司的布莱克先生吗？