每年的12月到翌年2月,是邮政企业传统的生产旺季。旺季期间,无论是信函还是包裹,邮件业务量迅猛上升,都较平时增长数倍。生产旺季期间,恰逢圣诞节、元旦、春节等节日,新增的业务量也主要是贺年卡片、礼品等。由于这些物品大多按轻件交寄,而为保证其传递时限,各局不得不把平时由 December each year to February the following year, is the postal business traditional production season. During the high season, whether it is letters or parcels, the volume of mail services has risen sharply, both increasing several times over usual. During the production season, it coincides with the holidays such as Christmas Day, New Year’s Day and Spring Festival. Newly added business volume is mainly New Year’s cards and gifts. Because most of these items are sent by light, and in order to ensure the delivery time limit, the bureau had to usually