磐石无缝钢管:it tells the difference between making a call in chinese and one in english?

it tells the difference between making a call in chinese and one in english?是什么意思 it tells the difference between making a call in chinese and one in english? it tells the difference between making a call in chinese and one in english?是什么意思 Tells me the truth.?是什么意思? My father often tells us not to ( )the difficulties we meet Someone tells you,"The Summer Palace is too far to walk to." it is the business.. what the hell is it? it only the fairly tale the development of IT industry