1. It's like biology: In an ecosystem where microbes are promiscuously swapping genes and traits, evolution speeds up. 就像生物学：一个一群微生物混杂地交换基因和特性的生态系统，进化加速了。
2. Today late straightens up bored, oneself in noisy square long strolling, with like tide crowd promiscuously in the same place. 今天晚上挺无聊的，自己一个人在嘈杂的广场上悠悠的闲逛，和如潮水般的人群混杂在一起。
3. This kind of brutal line between insiders and outsiders is evident everywhere—mobsters, say, who kill promiscuously yet go on rhapsodically about "family." 这种在内部人和外部人之间突兀划分处处可见--例如：那些肆意杀人的歹徒们却会带着激情地谈论“家庭”。
英英解释
adv.
1. in an indiscriminate manner
2. in a licentious and promiscuous manner
