small changes make a difference为什么要有个a

small changes make a difference为什么要有个a make a difference是什么意思 make a difference是什么意思? 翻译：make a difference make a great difference make a difference If all of us make small changes,we could make a big differen make a different还是make a difference can make a big difference, Make a difference什么意思 made to make a difference. make a big difference是什么意思