One form of collection letter is a letter of delinquency.
索款信的一种形式是拖欠债务催告信。
EXAMPLE: Sometimes a persuasive collection letter can be more effective than a punitive one.
有时，一封劝说性的催缴信要比处罚信更有效果。
Remittance and collection belong to commercial credit. Letter of credit belongs to banker's credit.
汇付和托收属于商业信用，信用证属于银行信用。
Remittance and collection belong to commercial credit. Letter of credit belongs to banker's credit.
汇付和托收属于商业信用，信用证属于银行信用。
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