He points out that it is possible to identify specific factors as the primary causes of a particular historical event only relative to an initial set of background conditions.

他指出，只有相对于初始的背景条件，才有可能将特定因素确定为特定历史事件的主要原因。

youdao

Those conditions began to change when the Palace Museum and the World Monuments Fund, which assists historical-conservation projects, launched their effort to restore the garden to its former glory.

现在情况已经有所好转。 故宫博物院和世界建筑文物保护基金会共同签署了乾隆花园修复保护工程协议，后者专业从事历史遗迹保护工程。

youdao

However, the special historical and geographical conditions had molded their special psychology -the Culture sense of superiority.

然而，特殊的历史和地理条件塑造了他们特殊的心态——文化优越感。

youdao

The experts underlined their historical importance and the need to conserve them in suitable conditions.

UNESCO: MEDIA SERVICES

One such index, as calculated by Goldman Sachs, shows that even after the Fed's cut in interest rates last autumn, monetary conditions are, by historical standards, far from lax.

ECONOMIST: Loose change