1.國際間尚無國家頒佈環保相關規定設限 International still did not have the country to promulgate the environmental protection correlation stipulation to suppose limits
2.國際間已有1-3(含)個國家頒佈環保相關規定設限
International had 1-3 (contains) a country to promulgate the environmental protection correlation stipulation to suppose limits
3.國際間已至少有4(含)個國家頒佈環保相關規定設限
International at least had 4 (to contain) a country to promulgate the environmental protection correlation stipulation to suppose limits
這樣?