字据的英文该怎么说

字据的英文：

written pledge

written是什么意思：adj. 书面的，成文的，文字的；v. write的过去分词

There is a written protocol.这有一个书面草案。

It is written by an obscure young poet.这是一位不知名的'年轻诗人写的。

The song is written in the key of D. 这首歌是用D调谱写的。

The equations are written in rectangular coordinates.这些方程是在直角座标系中写出的。

The letter is written in a formal style. 这封信以正式文体写成。

pledge是什么意思：n. 抵押；典当品；许诺；誓言；信物；v. 保证，发誓；用…抵押

The property was pledged as security for loans. 这地产被当作贷款的抵押。

He pledged to fulfil his trust.他保证履行责任。

You must not pledge your own health切不可把健康作孤注一掷

Redeem one's pledges, obligations.履行誓约、义务。

A pledge that something will be performed in a specified manner.保证对某事将以某种特定方式完成的保证