恶名远扬生物圈二号封闭生态系统项目就是未经充分准备仓促上马的前车之鉴。 1991年，首批八个人住进位于亚利桑那州图克森附近的生物圈二号。
The infamous Biosphere 2 closed-ecosystem project outside Tucson, Ariz., first inhabited by eight people in 1991, is the best example of an approach not to take.
虽然为封闭源代码的项目构建生态系统当然是可能的，但是并不容易。
Building an ecosystem for a closed-source project is certainly possible, but it's not easy.
在封闭源代码和开源生态系统中，参加者有共同利益。
In both closed-source and open source ecosystems, the participants have common interest.
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