But breeders exploit a patchwork of state-by-state rules, and loopholes, to continue to sell cubs.
但饲养者仍旧利用拼凑各州之间的不同规定和漏洞，继续出售幼崽。
2
In America, where insurers are supervised on a state-by-state basis, regulators' smoothed assessments of capital have been dwarfed by losses.
在美国，对保险公司以州为基础进行监管，而由于大量亏损，监管方对资产的平滑评估已经开始缩水。
3
Republicans generally count on Florida as a must-win state in the state-by-state battle to accumulate the 270 electoral votes necessary to claim the White House.