When it was his turn to speak, Mr.Obama said old grievances in the hemisphere should be set aside, replaced by a renewed commitment to expand prosperity, security and freedom in the Americas, with all nations working as equals to confront common challenges.

VOA: standard.2009.04.17

Well, the world had to come up with another symbol that looked as similar as possible just for people's sanity, so they went with equals equals.

好的，我们必须提出另外一个,看起来符合人类思维习惯的符号，所以他们采用了“==“

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