当电话会议结束之时已是午夜时分，然而美国银行位于北卡罗莱那州夏洛特市的总部才刚刚开始其反间谍之征。

By the time the conference call ended, it was nearly midnight at bank of America's headquarters in Charlotte, N.C., but the bank's counterespionage work was only just beginning.

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经过对艾滋病病人临床观察，发现所有病人均有不同程度的瘀血之征，面色晦滞，皮下瘀血、舌质紫暗，脉沉涩等。

There were stagnant blood sign or grayish complexion, stagnated blood under skin, dark-purple tongue and sunken and astringent pulse in AIDS patients after observing the thousands of AIDS patients.

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古人对黄河清有“祥瑞之兆”和“不祥之征”两种观点。

Ancient people had two opposite views on the clarity of the Yellow River: symbolism of auspice or malignancy.

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