Indeed, the language barrier can be a big factor affecting understanding.

事实上，语言障碍可以是影响理解的重要因素。

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Declining water quality is a major factor in the pollution of the Great Barrier Reef.

水质下降是在大堡礁污染的主要因素。

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If this kind of bad psychological factor long-standing, very easy to cause the islet cells to present the function barrier.

若是这种不良心理因素长期存在，很容易引起胰岛细胞出现功能障碍。

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This was now the decisive factor in our two-fold barrier to entry.

FORBES: Move up http://i.forbesimg.com t Move down

Dr Richard Bloore said the south-east London barrier, opened in 1982, was not designed to factor in global warming.

BBC: Thames Barrier engineer says second defence needed