Then the second effect kicks in: The boomers start to retire.

接着，第二个影响开始：婴儿潮出生的人开始退休。

youdao

The second effect was “range reduction”: In mathematical terms, correct answers became clustered at the group's edges.

第二个因素是“范围缩小“：用数学术语讲，正确的答案集中在群的边缘。

youdao

The second injection should only have been given once the first drug had taken effect.

第2针本应只在第1针见效后才能注射。

《柯林斯英汉双解大词典》

The second part is about the emotional effect of Picasso's paintings.

VOA: special.2010.03.24

"The second effect is the turbulence of the atmosphere makes things fainter, " Tholen said.

CNN: Phew! Asteroid to miss Earth in 2040, NASA says

The second effect relates to deals where Lehman was a counterparty, ie, a buyer or seller of a swaps contract.

ECONOMIST: The fallout from the bankruptcy of Lehman Brothers

The second effect of racial gerrymandering is less obvious, but more important.

ECONOMIST: Lexington