重点讲解：
1. from...to...
（表示范围）从…到…，由…至…；
eg. There are 94 countries represented in Barcelona, from Algeria to Zimbabwe.
包括从阿尔及利亚到津巴布韦的 94 个国家在巴塞罗那设有代表处。
eg. Over 150 companies will be there, covering everything from finance to fixtures and fittings.
将有超过150 家公司出席，涉及领域从金融到室内设备，应有尽有。
2. how
（用于感叹句中强调形容词、副词或陈述内容）多么，何等，如此；
eg. How strange that something so simple as a walk on the beach could suddenly mean so much.
诸如在沙滩散步这样的小事会突然变得如此重要，真是令人感到不可思议。
eg. How anxiously she awaited my answer.
她焦急万分地等待我的答复。
eg. How she must have talked last night!
她昨晚一定没停过嘴！
3. it's time to do sth.
（从事特定活动的）合适时候；
eg. It's time to begin the meeting now.
现在是开会的时候了。
eg. It was time for him to go to work.
他该去上班了。
eg. It's time to translateour ideas into action.
我们该把思想变为行动了。