The types of security include cash, guarantee, mortgage or pledge.

担保的方式为提供现金或者保证、设置抵押或者质押。

youdao

The guarantee shall be in form of providing cash or surety, establishing mortgage or pledge.

担保的方式为提供现金或者保证、置抵押或者质押。

youdao

He is too poor to pay the rent right now, let alone the cash pledge.

他现在穷得连租钱都不能付了，更不用说押金了。

youdao

People raising money for charity use JustGiving as an easy way for people to pledge cash to their project, stunt or event.

BBC: JustGiving fund-raising site crashes

Lehman had plenty of collateral to pledge for cash from the Fed to stop the run.

FORBES: Bernanke: Lehman's Failure a Fait Accompli

You check out the promotional video after the break and, if you're so inclined, pledge some cash to the cause at the source.

ENGADGET: Kimera Systems wants your smartphone to think for you Alt