腐蚀: corrosion, to corrode (degrade chemically), to rot, corruption...
赶不上: can't keep up with, can't catch up with, cannot overtake...
神秘: mysterious, mystery...
交费: to pay a fee...
能人: capable person, Homo habilis, extinct species of upright East African hominid...
树梢: the tip of a tree, treetop...
功: meritorious deed or service, achievement, result, service, accomplishment, work (physics)...
离奇: odd, bizarre...
郊区: suburban district, outskirts, suburbs...
礼尚往来: proper behavior is based on reciprocity (idiom), to return politeness for politeness...
