Sent_en: 2zh The impairment charge is a result of risky investments, including RBMS (mortgage) investments backed by subprime loans and Alt-A loans, which are made to borrowers with a slightly better credit profile than those in the subprime category, as well as from collateral debt obligations (CDOs).
Sent_yy: 减值支出是风险投资的结果，包括次级贷款和针对信用状况略好于次级贷款类别借款人的Alt-A贷款支持的RBMS（抵押贷款）投资，以及抵押债务凭证（CDOs）。