This is mainly because it is difficult to pulp ferment in barrel.
这主要是因为我们很难在纸浆发酵桶。
This is mainly because it is a day of great fun and entertainment.
这主要是因为在这一天的乐趣和娱乐。
This is mainly because there is a lot of generalizing in this article.
这主要是由于文中有太多大而化之的描述。
This is mainly because they have not been shown how to carry out appraisals.
这就是他们没有被证明怎样开展评估的主要原因。
This is mainly because the wind in Denmark is more constant compared to Germany.
这主要是由于跟德国相比，丹麦的风速比较稳定。
This is mainly because the cost of the service industry in India is relatively low.
这主要是因为在印度服务业的成本相对较低。
And again, this is not mainly because of the Amazon.
需要重申的是，这并不主要因为亚马逊丛林。
This is because they are mainly carnivores, and hunt for food.
这是因为它们主要食肉，需要捕食。
This is because they are mainly carnivores, and hunt for food.
这是因为它们主要食肉，需要捕食。
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