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真正的朋友是很難找的。

Psychology is the science of mental life in its adaptive relations.

The war on coal is a war on the American worker.

The future of database technology lies in the ability to handle diverse data types and large-scale data efficiently.

創新是在競爭激烈的市場中保持領先的關鍵。

The Proven?al language is not dead; it sleeps in the hearts of the people, waiting to be awakened.