【C系列】C=see；C'MON=come on；CAUSE=COS=COZ=because多种缩写；CELL=cellphone；COO（Chief Operation Officer首席运营官）；CEO是Chief Executive Officer；CFO财务总监；CIO=check it outCOL=crying out loud；COURSE=of course；CU=see you；CYL=catch you later回头见
