问题描述：
英语翻译
Success in colonization depends to a great extent on there being a site available for colonization
这儿的a great extent on there being a site available for colonization是什么意思?there being a site available for colonization在句子里充当什么成分?为什么用being?
Success in colonization depends to a great extent on there being a site available for colonization
这儿的a great extent on there being a site available for colonization是什么意思?there being a site available for colonization在句子里充当什么成分?为什么用being?
问题解答：
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