Torture was once common in Europe's marketsquares. It is now unacceptable even when the world's most powerful nation wears the interrogator's mask.
酷刑在欧洲的广场上曾经很常见,而现在即便是世界上最强大的国家带上刑讯者的面具都不可接受。
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Shanghai Composite Index is an important index for Chinese stock market, and we apply the Least Squares Method with roughness penalty to smooth its historical data, using spline functions.