Give each thread a name, and write about it: how it manifested in the past, and how it re-appears in the present.

给每条线索起名字，然后写下对它的描述：过去它是如何显现的，如今它又是如何呈现。

youdao

Another asset that would have worked in the U.S. cardinals' favor is a lack of unity among Italians that has manifested itself in past conclaves, said the U.S. cardinal.

WSJ: With Speech, Cardinal Set Path to Papacy

Despite the rise in geek culture in the past few years, that culture has manifested itself mostly on TV.

FORBES: Why Aren't Low Budget Sci-Fi Films Successful?

We have huge numbers of doctors who have been very busy delivering a service to patients who have seen in the past that promises around IT systems have not manifested themselves in delivery on the ground.

BBC