总而言之，检验演讲是否成功的标志在于，是否抓住了听众的注意力，是否解答了他们思想上的一两个问题，是否传递了新的信息。
Generally speaking, whether a speech has engaged the audience, has solved one or two of their questions, or has passed on new messages are critical standards measuring its failure or success.
Scheme具有极高的开发效率，并且相当容易学习，它能使学习它的人从一开始就将注意力放到编程思想上，而不是停滞在学习繁琐的语法上。
Programming in scheme, the development efficiency can be enhanced enormously. However, it is very easy to master and use scheme, because its syntax could be learned quickly.
思想上，我们放松了注意力，停下来没继续做让我们获得领先的那些事情。
Mentally, we lose focus, stop doing the things that put us up.
而100米游泳完全不同了，我似乎要重新集中注意力，用另外的方法感知速度，思想上也要转变过来。
Swimming the 100 is totally different and I kinda have to refocus and take a different approach to how I enter the race and leading up to it mentally.
而100米游泳完全不同了，我似乎要重新集中注意力，用另外的方法感知速度，思想上也要转变过来。
Swimming the 100 is totally different and I kinda have to refocus and take a different approach to how I enter the race and leading up to it mentally.
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