关于

about; regarding; on; for; in; with; to; of; into; after; over; towards; concerning; respecting; re; touching; -wise; thereto; bout; concern; relate; relate to; pertain; pertain to; be about; involve; regard; refer to; deal with; appertain to; relative to; be-; with respect to; pertaining to; in relation to; as for; in regard to; with regard to; in terms of; in the way of; in reference to; with reference to; as regards; in respect of; as far as is concerned

旅行

travel; journey; tour; trip; go; make a journey; voyage; trek; traveling; touring; expedition; ride; jaunt; journeying; travelling; on a trip

对话

dialogue; conversation; colloquy; exchange; parley; dialog; converse; talk; discuss; have a dialogue; have a conversation