Copyright laws differ from country to country, but in general protection extends for the duration of an author's life and for a substantial period afterwards, thus allowing the author's heirs to benefit.
出自-2011年12月阅读原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
继承人
An heir is someone who has the right to inherit a person's money, property, or title when that person dies.
例句
His heir, Lord Doune, cuts a bit of a dash in the city.他的继承人杜恩勋爵在城里出了一番风头。...the heir to the throne.王位继承人