正反: positive and negative两: two方面: respect; aspect; side; field从正反两方面: [拉丁语] pro and con正反两方面的看法: the pros and cons正反两方面的证据: evidence both pro and con记取正反两方面的经验: draw on experience both positive and negative总结正反两方面的经验: sum up both positive and negative experience正反两面: both sides now正反两面地: con 3正反两页: backing pages正反两用铲: convertible shovel盾的正反两面: both sides of the shield正反两面挤压: opposed extruding看两方面: look at both sides权衡两方面: have it both ways在两方面: both ways连接a与b(两方面): connect a with b双边的,两方面的: bilateral拥有两方面的: two-sided问题皆有正反两面: every minute seems like a thousand凡事都有两方面: every picture has got two sides两方面都起作用: cut both ways凡是都系希正反两面: there are two sides to every question任何事情都有正反两面: there are always two sides to everything