Two liberal House Democrats, Lynne Woolsey and Barbara Lee, said on Wednesday they intend to fightto keep this public option in, along with other steps to protect lower and middle-income Americans and hold insurance companies accountable.

VOA: standard.2009.12.24

By determining how many of those molecules to hold onto, how many to keep in the body, how many to release determines the internal composition with regard to that ion.

通过控制体内这些分子的水平,即体内保有多少,又排出多少,就能够保证内环境中离子组成的稳定

耶鲁公开课 - 生物医学工程探索课程节选

Analysts said that given the strong domestic demand and increased government spending, a rise in consumer prices remained a concern and may prompt the central bank to keep rates on hold in the short term.

BBC: Thailand economic recovery picks pace in fourth quarter

The campaign will no longer spend its dwindling money supply campaigning in states that have not yet voted, he said, asking supporters in those states to hold signs and keep voting his way in the weeks ahead.

FORBES: Ron Paul Taking His Campaign Fight To Tampa Convention

While spiraling health care costs have some postponing retirement in order to keep hold of their company benefits, most have done a good job at saving.

FORBES: Sell Old!