發現「小確幸」In-depth Travel．A Little Happiness is on Facebook. To connect with 深度旅遊．發現「小確幸」In-depth Travel．A Little Happiness, join Facebook ... ... <看更多>

"In-depth" is an adjective which means comprehensive and precise, while "in depth" is a phrase or idiom which works like an adverb, meaning the same, ... ... <看更多>

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