摘要：
inotherwords…aswehaveseen..therefore…thus…onreflection…Cause&effect（表示原因的）asaresultof…resu... in other words …
as we have seen ..
therefore …
thus …
on reflection…
Cause & effect （表示原因的）
as a result of …
resulting from …
because of …
due to …
so …
from this …
consequently …
hence …
as a consequence …
