微软(Microsoft)曾多次尝试推出“平板”电脑，但成果极其有限。
Microsoft has made repeated attempts to introduce “tablet” computers with very limited results.
他们曾多次尝试创造一种机器界面，以便能实现把人的思想转换为控制电脑或机器的指令。
There have been attempts to create machine interfaces before that aim to translate thoughts into instructions to control computers or machines.
为满足非母语国家的人们使用英语交流的需要，先前人们曾多次尝试创编一种易学的英语版本。
There have been attempts before to produce an easy to learn version of English for the benefit of non-native speakers.
应用推荐