cause造句

His misunderstanding of language was the primary cause of his other problems.
他对语言的误解是引起其他问题的主要原因。

Investment could dry up and that could cause the economy to falter.
投资可能会中断,而这会引起经济衰退。

This was a genuine mistake, but it did cause me some worry.
这是好心办错事,可是确实让我担心了一阵子。