Lots of China hawks say the offer may be rendered practically meaningless without having strong enforcement steps. Such a prolonged timetable would ensure it is tougher to punish Chinese violations by imposing new tariffs or raising existing types, mentioned two in the officers. 财经频道: 共绘人类生态文明美丽画卷——从北京世园会看中国绿色发展的“世界贡献” Permanently and for ill, https://liantong.com.tw/%e5%8f%b0%e5%8c%97%e6%88%bf%e5%b1%8b%e4%ba%8c%e8%83%8e%e8%b2%b8%e6%ac%be%e7%94%b3%e8%ab%8b%e6%b5%81%e7%a8%8b%e8%a9%b3%e8%a7%a3/