基本解释[經濟學]實際可用年期英汉例句雙語例句It had to be practical and useful and produce actual results in my Earthly life.它是切實可行和有用的塵世生活和生産實際的結果在我心中。molake9889.blog.163.comactual useful life更多例句词组短语短語haha actual useful life 實際可用年期actual useful life更多词组专业释义經濟學實際可用年期