企业家应该能够辨识各类不同协议之间的区别。
An entrepreneur should recognize the differences between different kinds of agreements.
在甲醇燃料中加入本发明的安全添加剂后，醇类燃料由无色变为蓝色，可以区别于汽柴油，使人们易于辨识，起安全提示、警告、告知的作用。
After adding the security additive, the methanol fuel can be changed from colorless to blue to know from gasoline and diesel oil to make people easily identify.
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