J period: and
The anniversary of (name) the book.
Period q: sum
① (name) Scheduled date: from ~| to ~| later.
② (name) A period of time: studying ~| making fake ~ | lurking ~.
(3) (quantity) things used in stages: the class has run three ~| publications and published several ~|.
(4) (moving) agreed date: no ~ meeting.
(5) (moving) waiting for an appointment; Generally refers to waiting or expecting.