i would serve as a guide to domestic or foreign tourist at that time
Related Translations:
国内外电信业务: overseas and domestic telecommunication services
那时: at that time; then; in those days 短语和例子从那时以来 since then; from that time on; 说时迟那时快 in the twinkling of an eye; in an instant; 那时我在上海。 i was in shanghai then
