Q: There is a long history of efforts to control malaria, from the League of Nations' malaria Commission of the 1920s to the abandoned eradication campaign of the 1950s and 1960s.
问：从20世纪20年代的国联抗疟委员会，到50年代和60年代功亏一篑的消灭疟疾运动，控制疟疾努力由来已久。
In particular, prices of those painted in the Western-influenced style that emerged between the 1920s and the 1950s have skyrocketed as big names-like wu-die or become too old to paint.
尤其是由已故或已经年老无法再创作的大家如吴老在20世纪20年代到50年代期间创作的作品，这些作品深受西方绘画风格的影响，价格也扶摇直上。
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