次はわたしにごちそうさせてください。

next; following; subsequent; stage; station

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

I; me; private affairs; personal matter; secrecy; selfishness

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

feast; treating (someone); to treat (someone, e.g. to a meal)

to give; to confer; to bestow; to kindly do for one; to oblige; to favour; to favor