授信的英文：
credit extension

参考例句：

Comprehensive credit line
综合授信

credit是什么意思：
n. 贷款；信用，信誉；荣誉；学分
v. 相信；记入贷方 ；把...归于，归功于；赞颂

The account is in credit.
这个帐户有存款。

Give credit where credit is due
归功于有功者;要有雅量承认他人的优点

Give credit where credit is due.
有功则赏

Letter of credit belongs to banker's credit.
信用证属于银行信用。

credit a customer with 8
把8英镑记入客户贷方

extension是什么意思：
n. 伸展；延长；延期；电话分机

Removed the sablotron extension in favor of the new XSLT extension.
去掉了sablotron模块，使用新的XSLT扩展模块

The greatest difference was noted in extension.
伸展测试的差异是最显著的。

addition or extension that prolongs sth
增加或延长的部分.

Such contamination has been extensively studied.
人们对这种污染进行了大量研究。

They own extensive land by the sea.
他们拥有海边的辽阔土地。