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来源：雅诚德英语网
The above chart shows this graphically, with wealthier, more advanced nations clustered at the top, and poorer, less developed nations clustered at the bottom.
以上图表表示，更加富裕，更先进的国家聚集在顶部，贫穷欠发达的国家聚集在底部。
The above chart shows this graphically, with wealthier, more advanced nations clustered at the top, and poorer, less developed nations clustered at the bottom.
以上图表表示，更加富裕，更先进的国家聚集在顶部，贫穷欠发达的国家聚集在底部。