Doing things in multiples becomes a necessity in a land where space is at a premium.在土地奇缺的地方就必须充分利用空间成倍地办事。It made it almost impossible for the smaller retailer to compete against the multiples.这使得小零售商几乎不可能跟连锁店竞争。We count the seconds, minutes, and hours in multiples of six and ten.我们按六和十的倍数来计算时间。