As the history of the 20th century shows, evidence of plunder that meets legal standards is hard to collect in the chaos of war, and against a background of even graver horrors.
20世纪的历史表明，战争期间局面混乱、而且可能发生更骇人听闻之事，故而难以搜集符合法律标准的劫掠证据。
The recession of 2008-09 was far graver for the British economy as a whole than that of the early 1990s, and it was also more severe for London.
对英国整体经济而言，2008 - 09年的衰退比20世纪90年代初期的那场衰退更加来势汹汹；对伦敦而言则更甚。
As jade is of hard texture, carving is not done with a steel graver, but with emery by way of grinding.
由于玉质地很硬，不能用钢质雕刻刀雕刻，用磨光的金刚砂来雕刻。
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