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Elder-Care Becomes a |
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| In addition to the retrained older workers who will remain in the workforce, there will also be growing numbers of even older people, in their 80s and 90s, who will no longer be able to work or even care for themselves. |
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�돱�슃�쓽�궗�쓽 諛깆떊 �쁺�뼱 |
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| 저자 | 怨좎닔誘� |
| 출판사 | ����뻾�굹臾� |
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寃쎌젣�긽�떇 異⑹쟾�냼 |
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| 저자 | 理쒖쭊湲� |
| 출판사 | �븳鍮쏅퉬利� |
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�씪�쓽 誘몃옒瑜� �옱�젙�쓽�븯�뒗 �씤媛�-而댄벂�꽣 |
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| MIT �넗留덉뒪 留먮줎 援먯닔�뒗 ��쒖궗�떎�긽 �삤�뒛�궇�쓽 紐⑤뱺 �씤媛꾩쓽 �뾽�쟻�뱾�씠 媛� 媛쒖씤�씠 �븘�땶 �쟾泥� �씤媛� 吏묐떒�뿉 �쓽�빐 �떖�꽦�릺怨� �엳�떎.��앷퀬 留먰뻽�떎. �뒪留덊듃 湲곗닠�뱾�씠 �쟾�넻�쟻�씤 �씤媛꾩쟻 �봽濡쒖꽭�뒪�뿉 �넻�빀�릺硫댁꽌, �씠�쟾�뿉�뒗 蹂� �닔 �뾾�뿀�뜕 媛뺣젰�븳 �삎�깭�쓽 肄쒕젅蹂대젅�씠�뀡�씠 遺��긽�븯怨� �엳�떎�뒗 �쓽誘몃떎. �씠�윭�븳 肄쒕젅蹂대젅�씠�뀡�쓽 蹂몄쭏��� 臾댁뾿�씤媛�? �씤媛꾩쓽 �씪�옄由ъ뿉 誘몄튌 �쁺�뼢���? �씠�윭�븳 肄쒕젅蹂대젅�씠�뀡�씠 �씤媛꾩쓣 �쐞�븳 理쒕��移섏쓽 媛�移섎�� 李쎌텧�븷 �닔 �엳�쓣源�? |
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Water, Water Everywh |
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| Ironically, the world��셲 most precious resource is also one of its most plentiful. More than three-quarters of the world is literally covered in water. Yet, only 1 percent of the world��셲 water supply is fit to drink. Ninety-seven percent is salt water, and 2 percent is frozen in glaciers or polar ice caps. |
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[83]권 
