1.A/B: A slash B A比B是A to B或者A versus B
2.前一个更像是安,后一个像恩
如果是表示比值的话,通常念作:A to B ratio, 表达the ratio is A to B 意思。
例句:
The federal government is unlikely to find another approach that can attract private spending for community services at a nearly 3 to 1 ratio.
联邦政府几乎不可能在找到另外一种吸引个人以接近3比1的比率支付社区服务的方式了。