这个时候可以借助于一些录音工具，把自己说的录进去，然后反复对比进行改正。
This time with the help of a number of recording tools, to record their own say, and then repeatedly corrected.
他还爱使用“温和派”这个词，反复对比了他们与中东“极端分子”截然不同的主张。
As well as "freedom", he found another favourite word to use: "moderates". He repeatedly contrasted the rival claims of "extremists" and moderates in the Middle East.
当然，我们从高到低、从小到大反复测试过不同的字体，大小，对比度和背景。
Of course, we have tried different fonts, sizes, contrasts, backgrounds back and forth to oblivion.
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