优化: optimization, to optimize, to make superior...
城乡: city and countryside...
心情: mood, frame of mind...
恶性: malignant, wicked, vicious (circle), producing evil, rapid (decline), runaway (inflation)...
体系: system, setup...
壮大: to expand, to strengthen...
干: dry...
宫: palace, temple, castration (as corporal punishment), first note in pentatonic scale...
贱: inexpensive, lowly, despicable, (bound form) (humble) my...
随身: to (carry) on one's person, to (take) with one...
