1/mastercard释义：

n. 万事达信用卡

2/mastercard 用法例句：

Bross began his career at General Electric and later had technology jobs at Citicorp and MasterCard International.

布罗斯起初在通用开始职业生涯，随后在花旗银行和万事达卡国际组织从事技术工作。