When japan 's 77-year-old finance minister submitted his resignation to yukio hatoyama , the prime minister , on january 6th , the ostensible reason was poor health .
1月6日,当77岁的财政部长向首相鸠山由纪夫提交辞呈时,他的表面上称是由健康问题。
The ostensible reason for introducing grcs was to ensure ethnic-minority representation in parliament as every contesting party has to field at least one minority candidate on its slate .