Large meetings tend to offer too much information at once, and attendees can get sidetracked.
大型会议经常是一次性提供太多的信息,参与者可能会跑题。
They tend to charge too high subscriptions and offer too little back to members.
它们往往收取的会员费过高,对会员的支持却微乎其微。
As a result, they tend to offer similar returns, only with more gearing.
只是由于更大的财务杠杆,结果,他们回报趋于低。
What this means in the insurance context is that if you offer insurance policies you will tend to attract people who are higher risk.
保险中选择性偏差的意思是,如果你提供某个险种,吸引的是承受该险种风险较大的人群
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