?巡回大使
...、厨师、工勤人员 特使(envoy); 特命全权公使(envoy extraordinary and minister plenipotentiary); 巡回大使(roving ambassador)拜访许多国家 的特使,通常不必留在同一个地区。
?无任所大使
... 无任所大使, 巡回大使 ambassador-at-large 巡回大使, 无任所大使 roving ambassador 巡回大使, 无任所大使, 特使 ambassador-at-charge ...
巡回大使
Rekha Malhotra, who performs and records under the name DJ Rekha, is seen by some as a roving ambassador for the music.
NPR: Bhangra's DJ Rekha Takes the Dance Floor
He had acted as roving cultural ambassador for Biafra at the time, but for more than 40 years he remained silent about his war experiences.
BBC: Chinua Achebe: Obituary of Nigeria's renowned author
The consensus: He would be a roving global ambassador.
NPR: Democratic Presidential Debate Targets Iraq War
巡回大使；无任所大使
ambassador-at-large
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