National treasures are never loaned; everything else is categorised according to its perceived importance. The proportion of the best work that is given to any one show is limited to around 20%.
国宝一级的文物绝不允许出国，而其他所有文物都要根据其重要程度进行分类，而且任何一次展会的展出品中，顶级文物所占比例最多只能是20%左右。
It has become so clear to me that at the current stage China has an abundant supply of labor in proportion to her limited natural resources and short capital.
我清醒地认识到，在中国现阶段，相对于有限的资源和短缺的资本，劳动力的供应是十分充裕的。
But the life of this "demographic dividend" would be limited with the proportion of children aged 0 to 15 and youth aged 15 to 24 declining across the whole of the region.
但这种“人口红利”(demographic dividend)的时间有限，因为在整个亚洲地区，0至15岁儿童以及15至24岁年轻人所占比例在不断下降。
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