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 …
