1. 名詞
   不可數名詞: 期望, 預期
   期待
   期望的事
   期望之物
   期望的東西
   

   同義字詞
   anticipation,contemplation,expectance,expectation,prospect
   

例句

1. Av. life expectancy : 64 yrs (1988).
2. The US ranks 31st in life expectancy .
3. This results in increased life expectancy .
4. Life expectancy declined from 75 years to 65.
5. Consumption was rife and life expectancy short.
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