邮票: (postage) stamp...
挑战: to challenge, challenge...
医院: hospital...
如醉如痴: as if drunk and stupefied (idiom), intoxicated by sth, obsessed with, mad about sth...
散步: to take a walk, to go for a walk...
低价: low price...
根据: according to, based on, basis, foundation...
关怀: care, solicitude, to show care for, concerned about, attentive to...
