夜幕降临，Maggie姐回到公司。偌大的夜总会里冷冷清清，只有两拨百无聊赖的小姐坐在各自的池座里发呆、玩手机。“那些就是‘老虎’了，”Maggie姐偷偷指着一群身穿白色紧身背心、啃瓜子的内地女孩说，“很厉害的！”她用力使了一个眼色。舞池的另一边，几个穿黑衫黑裙的香港女孩低头默默玩手机，穿衣风格显然保守许多。
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In the 1950s, legendary behaviorist B.F. Skinner debuted his version of a “teaching machine,” based on the 1924 invention of Ohio State University psychology professor Sidney Pressey. The contraption was loaded with a piece of paper with questions, and students pressed keys indicating the correct answer, at which point another question would appear. Both Pressey and Skinner ran into similar problems, though, failing to implement the technology in schools. Educators weren’t convinced of the machine’s benefit, which prioritized individually paced learning not conducive to students of the same age moving through a grade level at the same time.
（二）引航员或者除船员外为船舶提供服务的其他任何人；