In any case, we strongly encourage speakers to compare different economy classrates in order to choose the most advantageous one, and to make the reservations as early as possible.
无论如何，我们鼓励报告人比较一下不同的经济舱的价格来选择最经济的并尽早预订机票。
2
He finds that rates of joblessness differed primarily according to class: those in middle-class and white-collar occupations were far less likely to be unemployed.
他发现，失业率主要根据阶级不同而不同：中产阶级和白领阶层失业的可能性要小得多。
3
Records show that during December and January, the two months with the fewest hours of daylight, attendance rates fall, average daily class participation drops, and grades decline.