number of items (in a consignment etc)

see 樁樁件件|桩桩件件[zhuang1 zhuang1 jian4 jian4]

incident; event

document; file; CL:份[fen4]

condition; circumstance; term; factor; requirement; prerequisite; qualification; situation; state; condition; CL:個|个[ge4]

case; instance; CL:宗[zong1],樁|桩[zhuang1],起[qi3]

mail; post; email