Julien said Jasgur was hired by the Blue Book modeling agency to shoot the then-unknown Norma Jeane.

朱利安说贾斯格当时是受“蓝书模特经纪公司”所雇，给这位默默无名的诺尔玛·简妮·朵儿蒂拍照。

youdao

At the bottom of my heart, I was prepared to explore the then-unknown potential of the high-end optical market.

当时我内心万分期待，渴望探索高级眼镜市场的无限潜能。

youdao

Then on April thirtieth, two thousand seven,a huge fire of unknown cause almost completely destroyed South Hall.

VOA: special.2009.08.21

I could take an unknown gas and put it in and measure it and then say, wow, those are the lines that are characteristic of sodium.

我取一种未知气体，把它放到管里,然后检测它，哇，这些线是钠的特征。

麻省理工公开课 - 固态化学导论课程节选

In April,1994 unknown assassins shot down the plane carrying then-President Juvenal Habyarimana.

VOA: standard.2009.04.10

Although he has since been identified as 60-year-old Larry Bailey, his identity was then unknown.

MSN: 'He started tearing up. I started tearing up.'

With Marvell, he admits he got lucky by accepting a cold call from Weili Dai and Sehat Sutardja, who were then unknown.

FORBES: Fab-ulous Filipino

In 2009, The Rockefeller Foundation gave a grant to Social Finance UK to develop a then unknown innovative finance tool called the social impact bond.

FORBES: Social Innovation in Acceleration: Building the Social Impact Bond Ecosystem