by happenstance

• 巧合

by happenstance的用法和样例：

例句

1. By sheer coincidence Mary is there too.
   完全由于巧合，玛丽也在那儿。
2. This coincidence has led to claims of treatment by acupuncture.
   这些巧合使人宣称冰人接受过针灸治疗。