急求!!请问range from.....to与ranging from.....to的意思分别是?

急求!!请问range from.....to与ranging from.....to的意思分别是?

rangefrom...to...的意思:(在...到...内)变动;显示不定(或不等)ranging是range的动名词形式,rangeto是固定短语,从……到……的意思