Though it may be possible to measure the value of material goods in terms of money, it is extremely difficult to estimate the true value of the services which people perform for us. 虽然用金钱来衡量物质产品的价值是可能的;但要估计人们为我们提供的服务的真正价值却极为困难. 《用法词典》
The Washington Post: Frances Tiafoe grew up at College Park’s Junior Tennis Champions Center, where his immigrant dad was the maintenance man. Now the 16-year-old is the country’s best junior boy.
Editor’s note: When this story was originally published in 2014, Frances Tiafoe’s first name was commonly spelled “Francis” after it was misspelled on an entry form early in his career. When Tiafoe ...
Frances Tiafoe grew up at College Park’s Junior Tennis Champions Center, where his immigrant dad was the maintenance man. Now the 16-year-old is the country’s best junior boy.