美国政府没有立即发表评论，虽然大使馆行政官员说马丁是一个职业外交官，他的职责是处理政治事务。

The U.S. government had no immediate comment, though an embassy official said Martinez was a career diplomat whose portfolio was political affairs.

今天，里根总统提名了一位职业外交官为第一位美国驻南非大使。

President Reagan today nominated a career foreign service officer to become the first black U.S. ambassador to South Africa.