美零售商寄望母亲节的销售额

词汇讲解：

1. stagnant adj. 不发展的;不景气的;停滞的;无变化的

例句：Due to low investment, industrial output has remained stagnant.
由于投资少, 工业生产一直停滞不前。

2. co-owner n. 共有人
例句：Each co-owner by shares shall have the right to withdraw his own share of the joint property or transfer its ownership. 
按份共有财产的每个共有人有权要求将自己的份额分出或者转让。 

3. retail n. 零售
例句：The retail dealer buys at wholesale and sells at retail.
零售商批发购进货物, 以零售价卖出。

4. pinch n. 困苦, 穷苦
例句：It's six months since he lost his job, so he's beginning to feel the pinch.
他失业已有六个月了, 所以开始感到相当困难。

5. optimistic adj. 乐观的, 乐观主义的
例句：He is an optimistic young fellow.
他是位乐观的年轻人。

6. revenue n. 收入, 收益
例句：A government's revenue and expenditure should be balanced.
政府的财政收入和支出要平衡。

7. spending n. 开销,花费

例句：We have reduced the uNPRoductive spending.
我们已削减了非生产性开支。

8. supposedly adv. 据认为,据推测;据称;一般相信,一般看来
例句：This drama series is supposedly modern yet its characters live in a curiously dated world.
这个系列剧应当是现代的，但剧中的角色却生活在一个奇特的过去世界里。

9. spell vt. 招致, 带来
例句：That can only spell trouble.
那只会招致麻烦。

10. critical adj. 决定性的, 关键性的, 危急的
例句：Judicious forgetting is critical to the efficiency of working memory.
明智的忘却对工作记忆的效率很重要。