[問題] occasion的意思

[christinea (凌晨四點)]

Given that not only insects and spiders but also shrimp, crabs, centipedes, an
d their numerous relatives are arthropods, this fact should not
 occasion surprise.我看不懂occasion 的意思

http://aolsvc.merriam-webster.aol.com/dictionary/occasion

 a favorable opportunity or circumstance <did not have occasion to talk
 with them 所以可以翻成巧遇嗎?
given that可翻成事實上嗎?

後面那一句應該可翻成 這個事實 應該不會偶爾帶來驚奇

大家覺得怎麼樣呢?應該是這樣的意思吧

想請教各位前輩


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推 Freiheit:occasion在這是動詞。occasion當動詞用時，意思是cause
→ Freiheit:牛津字典和你附的韋氏字典都是這樣說的。
→ Freiheit:所以你的翻譯只要去掉「偶而」就可以啦。