If the donor country cannot ensure this, then the aid should be reduced, if not stopped altogether.这句话的成分和翻译，用法。contribute to 什么时候是"导致"的意思，什么时候是“有助于，贡献”的意思？
...米伦高阶英汉双解词典】的 thinking 词条下的一个例句：This is the stage for creative thinking and imaginative ideas. 这是个需要创造性思维和富于想象力的点子的阶段。我不太明白此句中 for 的含义，为什么译文中翻译成“需要”？查了很多...
请教曹老师：Ok, hi everyone. I’ll
make this brief, because I have another meeting to get to, but what I have to
say is no less important for
being short.如果去掉动名词being，这个句子有什么不妥的地方？
.... But I recently came across a study that
shows why his approach works.The
researchers examined various levels of noise on participants as they completed
tests of creative thinking. They were randomly divided into four groups and
exposed to various noise levels in the background, from total silence ...
...（01）I’ll phone
you if I have time. （02）If you see
him, give him this note. 上述两例中，if分句不能用will
have和will see。于是，英语初学者通常不敢在if分句中用will，发现if分句中有will就认为是错误。但事实上，作为情态助动词，will在不少...
The tragic sinking of this great liner will always be remembered, for she went down on her first voyage with heavy loss of life.这句话里 tragic 后面为什么要用 sinking 而不是 sink?
If the 80s were the age of stress, this is the age of anxiety, with 30% of Britons experiencing an anxiety disorder during their lifetime.这里the 80s的谓语动词用复数吗？一般时间不都是用单数吗？还是这里有虚拟语气的用法？
Longfield Park has a programme of activities throughout the year，and to give you a sample ，this is what's happening in the next few days.请问这里为什么是“to” give you a sample？直接用give不可以吗？