These products aren't habit-forming by chance.(这些产品并不是偶然形成的。)
He met a woman by chance at a party.(他碰巧在一个宴会上遇到了一名女子。)
Several years after they'd split up they met again by chance in Paris.(他们分手几年以后在巴黎又偶然相遇。)
The site came to light only by chance.(这个地点偶然间才被发现。)
I met her by chance.(我偶然碰到她。)
An artist who was recently traveling on a ferry to the southern island discovered by chance a long lost antique vase.(一位艺术家最近乘渡船到南岛时，偶然发现了一个丢失已久的古董花瓶。)
The ones that stay in place are probably by chance, and the ones that stay in the bottom are often trapped there by high fees.(那些保持住地位的很可能是偶然的，而那些一直在底位的往往被高昂的费用困在那里。)
It is not by chance that the Funeral March is not the last movement of the Eroica Symphony, but the second.(《葬礼进行曲》不是《英雄交响曲》的最后乐章，而是第二乐章，这并非偶然。)
In this house nothing is there by chance: it is always the result of great deliberation.(在这房子里，没有什么东西是偶然的——总是非常仔细考虑后的结果。)
They found these autobiographies by chance.(他们偶然间发现了这些自传。)
