雅思写作句型表达：原因结果的表达方式　　1.
The phenomenon mainly stems from the fact that 　　2.
原因accounts mainly for / are accountable for　结果 　　3.
原因　be responsible for 结果 　　4.
原因contributes partly to　结果 　　5.
原因　be the main/ major factor / reason/ cause 　　6.
Another basic / primary / root reason/ cause why is that 　　7.
原因cause / lead to / trigger/ bring about / result in / give rise to / generate　结果 　　8.
结果is due to　原因 　　9.
结果be in part / partly attributed to　原因 　　10.
be a second reason/ factor; be regarded as / seen as a root cause 　　11.
due to, owing to, because of 　　12.
be the cause of / be the reason for / be the reason behind 　　13.
be caused by / result from / be the result of / be the consequence of 　　14.
affect / influence in a negative way 　　15.
can be harmful/ helpful to