THE ups and downs of house prices have provided an inexhaustible topic for dinner-party conversations for several years.
几年来，房价起起落落，成了餐会上茶余饭后永不枯竭的谈资。
Now, having already endured the ups and downs of several in-vitro fertilization attempts, Dion says she's following her doctors' orders closely.
现在，已经经历了持续的数次四处试管受精，迪翁说她现在一直严格遵守医生的要求。
The class divided by several boats, slowly from the shore, facing the waves of ups and downs.
全班分乘几艘小船，缓缓驶离岸边，迎着海浪上下起伏。
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