Cancel a fulfillment order 和Cancels a fulfillment的区别？

[wing1]

https://shopify.dev/docs/api/admin-rest/2023-01/resources/fulfillment#post-fulfillments-fulfillment-...

https://shopify.dev/docs/api/admin-rest/2023-01/resources/fulfillmentorder#post-fulfillment-orders-f...