-----------------------------------
発つ， たつ
1. to depart (on a journey, trip, etc.), to leave, to set off, to start
动身(去旅行、出行等)，离开，出发，启程，开始
-----------------------------------
予定， よてい
1. plans, arrangement, schedule, program, programme, expectation, estimate
计划，安排，预计
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd