standby credit

基本解释

There are virtually no limits to the variety of transactions that the standby credit can serve.
这段话译成中文大概是：“对于备用信用证而言，其可以使用的交易在种类上基本上是没有限制的。
www.iolaw.org.cn
The standby credit serves as a back-up or secondary means of payment, though it is recognized as a primary obligation of the issuing bank…
备用信用证充当后备或第二性的付款手段，固然它被以为是开证行的主要义?。
Whilst, in most countries, it is not common for an original credit to allow the transferred credit to be transferred it can often occur under standby letters of credit.
在大多数国家，虽然原信用证允许已转让信用证还可以转让的情况并不普遍，但在备用信用证项下却是经常发生的。