@sinz54 @DrTomFrieden Those private businesses are all subject to a plethora of safety codes.
@sinz54@DrTomFrieden这些私营企业都受到过多安全规范的约束。
@sinz54 @DrTomFrieden Those private businesses are all subject to a plethora of safety codes.
@sinz54@DrTomFrieden这些私营企业都受到过多安全规范的约束。