unsustainableKK [ˏʌnsəˋstenəbəl] /ˌʌnsəˈsteɪnəbəl/發音形容詞1無法持續的、難以為繼的、撐不下去的The company's rapid growth turned out to be unsustainable.這家公司的快速成長最後證明難以為繼。2不永續的、不環保的Fishing at this rate is completely unsustainable for the ocean.以這種速度捕魚對海洋而言完全不符永續原則。3站不住腳的、無法成立的正式The judge ruled that the claim was legally unsustainable.法官裁定該主張在法律上站不住腳。