The BPP index declined significantly on the day that Lehman Brothers collapsed in September 2008 as online retailers in America immediately cut prices.
2008年9月雷曼兄弟银行倒闭的那一天BPP指数大幅下降，因为美国网上零售商立即削减了商品价格。
When the furnace door is opened, the power for the electric furnace is immediately cut off to guarantee the operators' safety.
当炉门开启时，电炉电源立即切断，以保证操作人员安全。
When the furnace door is opened, the power for the electric furnace is immediately cut off to guarantee the operators' safety.
当炉门开启时，电炉电源立即切断，以保证操作人员安全。
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