這不是一個完整的句子。swans後面是被倒裝的子句。 as black swans that in milk white rivers are = as black swans that are in milk white rivers 就像在乳白色河流裡的黑天鵝
...be needed for their job ! ---As mentioned in the book Black Swan, we have seen the obvious and visible consequence, not the invisible and less obvious...
...may be the needed to do the job. As mentioned in the book Black Swan, We see the obvious and visible consequences, not the invisible and less...