wax and wane

• n. 盈亏；盛衰

wax and wane的用法和样例：

例句

用作名词 (n.)

1. The moon waxes and wanes every month.
   月亮每个月都有盈亏。
2. The profits and losses of that factory are on par.
   那个工厂的盈亏相抵。
3. The company has undergone many ups and downs.
   这家公司历经盛衰浮沉。
4. The popularity of the film stars waxed and waned.
   电影明星们的名望盛衰无常。