proof of a negative
否定的证明
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The world has watched admirably at the "wonder from down under, " a seemingly recession-proof economy that avoided a downturn after the global financial crisis and that has not experienced two successive quarters of negative growth for20 years.
BBC: Australia's two-speed economy threatens to hurt growth
应用推荐
模块上移
模块下移
不移动