例句：
1、Our son's having problems with his reading and writing.
我們兒子在讀寫(xiě)方面有困難。
2、I've never been a great one for writing letters.
我向來(lái)不喜歡寫(xiě)信。
3、She hasn't written ─ not that she said she would.
她還沒(méi)寫(xiě)信來(lái)——倒不是她說(shuō)過(guò)她要寫(xiě)。
4、This expression is used mainly in speech, not in writing.
這種表達(dá)主要用于口語(yǔ)，而不是書(shū)面語(yǔ)。