Any faltering of the revival could spur calls on the BoJ to emulate more aggressive peers overseas and expand its use of unconventional monetary policies to combat deflation and lift growth. 如果复苏之路出现不稳,可能会促使人们呼吁日本央行效仿海外更大胆的央行,加大使用非传统货币政策的力度,以遏制通缩并推动增长。