Knot-cutting book is knot-cutting, which belongs to the old saying. Because the classical Chinese is short and pithy, with many meanings, the translation of "Jiejie" into vernacular Chinese has many meanings, such as "commitment letter, guarantee letter and certification document", which is generally used in official documents and documents.

It was only after the popularization of vernacular Chinese that the word "book" was gilded.

A letter of guarantee showing actual responsibility. Lin Qing prefaces "Re-ordering the Yi people to leave the knot and follow it": "Even after the Yi people are married, they will be sent and then cut with opium." The strange situation witnessed in 20 years has returned to the seventh and third times: "(Fu Mi Xuan) wrote a knot of filial piety in public." In some Taiwan-funded enterprises, employees often sign "delivery papers", such as "voluntary overtime delivery papers", in which "delivery papers" are used to explain "agreements and statement documents".

Terminology of futures trading: ledger

Because financial products such as stocks and futures were imported from abroad, and Hong Kong and Taiwan opened to the outside world earlier, there is also an "affidavit" in the actual futures operation. In futures trading, the relevant definition of "order interception" is as follows: before futures trading, futures traders require investors to agree to perform the contract. Usually refers to an agreement that futures brokers can write off when the customer's margin is insufficient.

As can be seen from the above definition, "declaration" is interpreted as "declaration and authorization document", which refers to the economic write-off of authorized futures when the customer's margin is insufficient.