All legal residents covered by public health insurance funded by compulsory social health insurance contributions from employers and employees with no option to opt out.
所有合法居民均在公共健康保险的覆盖下，资金由雇员和企业主共同缴纳，不得例外。
2
The DDL script option is covered later.
后面会谈到ddl脚本选项。
3
Last week I mentioned a strategy called 'covered calls,' which involves the simultaneous purchase of a stock and selling calls of the corresponding option.