going too far is as bad as not going far enough; beyond is as wrong as falling short; too much is as bad as too little
Performance Rating (P-Rating)
a bad quarter of an hour
allowance for bad debts
Arranging order according to good and bad
ash degree-bad worth symbiosis matrix
Bad
死亡基因Bad
双水杨酸双酚A酯
坏的低劣的
劣质的
坏的
设计不良
不良
恶的
淘气
窳
顽皮的
不好
坏
不善
糟糕
歹
梅毒
Bad (bcl-2 associated death) gene