If someone establishes something such as an organization, a type of activity, or a set of rules, they create it or introduce it in such a way that it is likely to last for a long time. 建立; 确立
如果有人(establish)建立了某样东西，比如一个组织、一种活动或一套规则，他们以一种可能持续很长时间的方式创建或引入它。
例：
The UN has established detailed criteria for who should be allowed to vote.
联合国就谁应当被允许投票确立了详细标准。
When an institution, company, or organization is founded by someone or by a group of people, they get it started, often by providing the necessary money. 成立；创立
当一个机构、公司或组织由某人或一群人创立(found)时，他们通常通过提供必要的资金来启动。
例：
The New York Free-Loan Society was founded in 1892.
纽约无息贷款协会成立于1892年。
例：
His father founded the American Socialist Party.
他的父亲创建了美国社会党。
They have very different meaning, but if you use the participles, they mean the same.
它们有非常不同的意思，但如果你使用分词，它们的意思是相同的。
Founded = Established.
"This company was founded in 2001."
“这家公司成立于2001年。”
"This company was established in 2001."
“这家公司成立于2001年。”
These mean exactly the same. But if you use them in any other way, the meaning is different.
它们的意思完全相同。但如果你以其他方式使用它们，意思就不同了。
"I found a gold ring on the sidewalk" is not the same as "I established a gold ring on the sidewalk".
“我在人行道上发现了(found：find过去式）一个金戒指”和“我在人行道上“设立”了一个金戒指”是不一样的。
An establishment is something that is set up firmly, it is stable. And founded, to lay in the foundation.
establishment是指稳固地建立起来的东西，它是稳定的。而founded，是为了奠定基础。
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