这些先前的研究都审查了不同的环境、社会和地理变量与某一地点所发现的语言数目之间的关系。
These prior efforts all examined the degree to which different environmental, social and geographic variables correlated with the number of languages found in a given location.
这些先前的研究都考察了不同的环境、社会和地理变量与在特定地点发现的多种语言之间的关联程度。
These prior efforts all examine the degree to which different environmental, social, and geographic variables correlated with a number of languages found in a given location.
先前的研究表明，偶尔爆几句粗口可以减轻疼痛。
Previous studies have shown that letting fly with a few choice expletives can ease pain.
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