How do hotels cooperate with travel agencies?

Annual contract system and annual (quarterly) rebate system. According to the query, raven.com shows.

1. annual contract system: the travel agency signs a contract with the hotel. Taking the year as a unit, the annual travel agency will enjoy a specific discount after the hotel reservation reaches a certain target number.

2. Annual (quarterly) rebate system: based on the annual or quarterly cycle, the travel agency stays in the hotel and settles at the agreed price. At the end of the year or the end of the season, the travel agency is given a rebate as a reward according to a certain proportion of the total consumption of the current period.