优点 可以更好的促进我们对动物的了解 Can promote our understanding to animals
缺点 耗费资金多 Costly more
人力物力也耗费得多 Manpower has cost much
优大于缺 Optimal than lack
优点 可以更好的促进我们对动物的了解 Can promote our understanding to animals
缺点 耗费资金多 Costly more
人力物力也耗费得多 Manpower has cost much
优大于缺 Optimal than lack