No. 6,387 in Chinese
护城河
Moat.
In a sentence
古代城市周围常常有护城河。
Ancient cities often had moats around them.
Here, '护城河' refers to a physical moat built around ancient cities for defensive purposes.
企业的优质服务是它的重要护城河。
The company's high-quality service is its important moat.
In this sentence, '护城河' metaphorically refers to a competitive advantage or differentiating factor that protects the company from competitors.
教授解释了护城河的历史和演变。
The professor explained the history and evolution of moats.
'护城河' here is used literally to discuss the history and development of moats as structures.
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