例句與造句

1. The age dependency ratio - the ratio of the young and the aged to people of age 15 to 64 - dropped from 433 to 387 per 1 000 over the decade
   撫養(yǎng)比率（即年幼及年老人士與15至64歲人口的比率） ，由一九八八年的千分之四三三降至一九九八年的千分之三八七。
2. The age dependency ratio , i . e . the ratio of the young and the aged to people in the age group of 15 to 64 , dropped from 403 per 1 000 in 1996 to 396 per
   撫養(yǎng)比率(即幼童及長(zhǎng)者與15至64歲人士的比率) ，由一九九六年的千分之四零三降至二零零零的千分之三九六。
3. It's difficult to find aged dependency ratio in a sentence. 用aged dependency ratio造句挺難的