便宜: cheap, inexpensive, small advantages, to let sb off lightly...
气息: breath, smell, odor, flavor...
今天: today, at the present, now...
磁卡: magnetic card, IC Card (telephone)...
厚度: thickness...
僵: stiff; rigid; numb...
讲解: to explain...
都会: city, metropolis...
小路: minor road, lane, pathway, trail...
更改: to alter...