If the use of the trademark is discontinued or its contribution to earnings becomes doubtful any unamortized cost should be written off immediately .

如果商标停止使用或它对增加收益的作用令人置疑，所有 未 摊销 的 成本应被立即冲销。

Book value is the unamortized cost of the asset which still appears on the accounting books of the business .

帐面价值是依旧 保留在企业帐册中的 未 摊 提的资本 成本。