from A it is deduced that B
From this evidence it was deduced that there had been three major waves of migration across the Bering Strait.
此结构可表达“从A中我们推断出B这一结论”的意思，这里A是某个名词性成分，B是一个完整的句子。在学习这个结构的时候可以联想一些类似的句型结构，例如A draw a conclusion from B: C。我们在作文中常常由一个论据推倒出某个结论，我们可以尽量变换结构表达这类意思。
From the report above it is deduced that a person’s job has more effect on his happiness than his social life does.
IELTS Writing 5
Leisure is a growing industry, but people no longer entertain themselves as much as they used to because the use of modern technology has made them less creative. Do you agree or disagree?