第十九条增值税纳税义务发生时间。
The country would be highly unstable and a real liability to North Africa and Europe.这样的国家对于北非以及欧洲而言都具有高度不稳定的风险而且也是不利于北非和欧洲的。
But the public sector has barely begun to adjust, and has built up a huge liability to its staff.公共部门已经积累了大笔未来退休金债务,但尚未作出调整。