An emerging body of research shows that positive health habits—as well as negative ones—spread through networks of friends via social communication.

intranet---n.内联网；企业内部网

internet-based---adj.基于互联网的；以国际网路为基础的

It was a year before she became head of a tiny internet-based commodities(商品) exchange.

philosopher---n.哲学家；哲人

Ancient Greek philosopher Aristotle viewed laughter as "a bodily exercise precious to health."

In the end, credibility "happens" to a discovery claim—a process that corresponds to(和...一致) what philosopher Annette Baier has described as the commons of the mind(大众思维).

philosophy---n.哲学；哲理；人生哲学；见解

According to the standard history of American philosophy, nowhere else in colonial America was "so much importance attatched to intellectual pursuits(追求)."

philosophical---adj.哲学上的；冷静的

poetry---n.诗歌；诗节

So poor in one sense(在某种意义上) was it that he never could remember for more than a few days a single date or a line of poetry.

poet---n.诗人

remains---n.剩余；残余；遗迹

remain---v.保持；依然；留下；剩余；逗留；残存

Japan was, and remains, the global leader in automotive-assembly(汽车装配) productivity.

remaining---adj.剩下的；剩余的

By 1854 slavery had been abolished(废除) everywhere except Spain's remaining colonies.

balance---平衡

But on the more important matter of the Constitution, the decision was an 8-0 defeat for the Administration's effort to upset the balance of power between the federal government and the states.

well-balanced---adj.均衡的

counterbalance---n.起平衡作用的事物；平衡力；抵消因素

level off---将...弄平；使平整

break even---不盈不亏；够本

steady---adj.稳定的；不变的

stabilize---v.(使)稳定；(使)稳固

elite---n.上层人士；掌权人物；实力集团；精英

Instead of intimate(私人的) shops catering to(迎合) "a knowledgeable elite(精英)," these were stores "anyone could enter,regardless of(不管) class(阶级) or background."

elitism---n.精英主义；杰出人物统治论

gradual---adj.逐渐的；逐步的

attempt---意图

evade---躲避

entrepreneur---n.企业家

You cannot buy class(品位), as the old saying goes, and these upstart(暴富的) entrepreneurs cannot buy their prizes the prestige(声誉) of the Nobels.