1. Many of the vivid warnings of science-fiction concerning the prospect of human cloning turn out, upon reflection, to be wildly improbable.
    有关克隆人类前景的科幻小说所发出的种种真切的警告，仔细想来却变成了无稽之谈。

2. In the nineteenth century, a novelist would bring his story to a conclusion by presenting his readers with a series of coincidences -- most of them wildly improbable.
    在19世纪，小说家常在小说结尾处给读者准备一系列的巧合--大部分是牵强附会，极不可能的。