By 2005,through a series of incremental steps,reach an overall target of annual expenditures on the epidemic of between $ 7~10 billion in low and middle income countries.是什么意思_By 2005,through a series of incremental steps,reach an overall target of annual expenditures on the epidemic of between $ 7~10 billion in low and middle income countries.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句