I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
There was a big crowd and we had difficulty getting a taxi.
外面有一大群人并我们有很困难招一辆出租车。
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.