例句：
The results of the research are summarized at the end of the chapter.
在这一章末尾对研究结果作了总结。
The resources at our disposal could have been better utilized.
我们所掌握的`资源本来可以利用得更好，获得更高的效益。
He's an expert at getting his own way.
他在如何达到自己的目的方面很在行。
The weather is very changeable at this time of year.
年年在这个时候天气都变化无常。
Almost all homes have at least one TV set.
差不多每家都至少有一台电视机。