Depreciation is when something becomes worth less money than before. A new car loses value the moment you drive it away; companies write that falling worth down in their books as depreciation. Money can depreciate too: if a currency depreciates, each unit buys less, so imports feel more expensive. It is a money-and-business word, not a moral one. Though actually, people also say a thing “depreciates” when they mean they talk it down — they make it sound less important — but the central, everyday use is still value going down. The lookalike deprecation is about disapproval, not price.

折舊（會計）；貶值（幣值或價格）