吏永东与杜两省、史永东与齐鹰飞、袁志刚与何樟勇相继考察了中国经济的动态效率，结果均表明中国经济是动态无效的。
Some recent research, such as Shi and Du, Shi and Qi, Yuan and He, assessed dynamic efficiency in China with AMSZ criterion and reported that China's economy was dynamically inefficient.
还好，杜斯利先生那天早上没见着一只猫头鹰，一切都很正常。
Most of them had never seen an owl even at nighttime. Mr. Dursley, however, had a perfectly normal, owl-free morning.
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