The paper introduced an automatic level holding device composed of a liquid tank supported by a spring.

介绍一种由弹簧支承液槽构成的自动保持液面高度的装置。

youdao

For starters, senior-level marketers are holding onto their jobs a lot longer, SpencerStuart data shows.

FORBES: Are You Shifting? The Time Is Now

Key to this approach is a lot of senior-level hand-holding.

FORBES: Magazine Article

Holding this level would be very impressive for the bulls, and would continue to keep many shorts trapped.

FORBES: Stocks Slip With Market Due For A Breather