logical: may imply a capacity for orderly thinking or, more especially, the power to impress others that clearness of thought and freedom from bias underlie the products of one's thinking: an infuriatingly ~ mind, utterly devoid of emotion.  capacity介词用for      underlie在...之下to lie below； underline在下边划线、强调to draw a line below; to emphasize


analytic: often as the variant analytical, stresses the power to simplify what is complicated or complex or what is chaotic or confused by separating and recombining elements in a logical manner: proceeded by precise ~ processes to find the hidden cause.


subtle: basically implies a capacity to penetrate below the surface and perceive fine distinctions and minute relations, and it usually connotes exceptional skill in reasoning and analysis: saw the heart of the crisis through ~ logic.


logical逻辑: 指思考有顺序、清晰、不偏畸(3个方面)，analytic,analytical分析解析: 强调能简化复杂混乱的东西，通过将各部分分解和重组，subtle微妙: 表示能穿透外表，观察出细微的联系差异，表示出色的推理解析能力


记忆方法: 1）首字母SAL想成Subtle Analytical Logic<==微妙解析逻辑


         2）逻辑的意思是思考或推理时有技巧mean having or showing skill in thinking or reasoning.