In this respect, the Secretary-General has placed before us an enormous challenge: a 50 per cent reduction in the number of inhabitants of this planet living in extreme poverty between now and the year 2015.
在这方面，秘书长给我们提出了重大挑战：从现在起到2015年，使在本星球上生活在赤贫状况中的人民的数字减少50％。