关联度越大，营销成本相对就越低。 ( )
参考答案：对
本初子午线是指（ ）
A．180º经线
B．20ºS经线
C．160ºE经线
D．0º经线
Jane's mother _ lots of money on women's wear every year. [ ]
A. spends
B. takes
C. costs
