期间

time;period;course
两国领导人同意在联大～在纽约会晤。The two leaders agreed to meet in New York on the margins (or the outskirts) of the UN General Assembly session./会议～in the course of the conference; during the conference /在…～ during;on the margins of;on the outskirts of;on the sidelines of/在联大开会～when the General Assembly is in session/在休会～during the recess (or adjournment);when the meeting is in recess