alternation by turns in turn rotation take turns turn turn and turn about
轮流;
devolution in file in turn priority take turns turn and turn about
依次;
retain varying portions of profit over and above the assigned profit norm
超额利润分成,超额利润留成;
Profit by Timing Marketing border Lag Profit Marketing
整时销售” 与“晚盈利”;
turn the scale turn the tables
扭转局面;