淡季: slack season; dull season; off season 短语和例子圣诞节后的商业淡季 the quiet business season after christmas; 在淡季 during the off season; 争取做到蔬菜淡季不淡, 旺季不烂 strive for an ample supply of vegetables in the
销售淡季: low sales seasonperiod of slack salessales off-season