184"It is a grave mistake to theorize before one has data."
210."Most people choose a career on the basis of such pragmatic considerations as the needs of the economy, the relative ease of finding a job, and the salary they can expect to make. Hardly anyone is free to choose a career based on his or her natural talents or interest in a particular kind of work."
我选的第二个
arg:
170“For the past five years, consumers in California have been willing to pay twice as much for oysters from the northeastern Atlantic Coast as for Gulf Coast oysters. This trend began shortly after harmful bacteria were found in a few raw Gulf Coast oysters. But scientists have now devised a process for killing the bacteria. Once consumers are made aware of the increased safety of Gulf Coast oysters, they are likely to be willing to pay as much for Gulf Coast as for northeastern Atlantic Coast oysters, and greater profits for Gulf Coast oyster producers will follow.”