fortuitously

Hence it is plain that they achieve their end, not fortuitously, but designedly.

所以它们显然不是偶然地, 而是有计划地去达到自己的目的.

——哲学部分

Hence it plain that they achieve their end, not fortuitously, but designedly.

所以它们显然不是偶然地，而是有计划地去达到自己的目的。

——辞典例句