送交者: Latino2 于 2005-7-07, 10:36:14:
回答: I could not express my appreciation on it! 由 mangolasi 于 2005-7-07, 10:19:53:
My guess is that the measurement of “livelihood improvement” is so complicated, therefore it’s difficult to modeling it?
In boilogical side, we use "indicators" and "benchmarks", which are relatively quatifiable.