成唯識論述記 8.328

8.328

七、受支，此亦同前觸應知也，作用分位義皆同故。然論說受為愛緣者。約當來生及於現在生老位中現起受說，然即彼體是生支攝。今此受支唯在種位，以識等五論皆名為胎藏苦，故九十三云：此五皆是唯種子故。

7. The member of feeling: this should also be understood as identical with the preceding contact, because its function and stages are equivalent in principle. However, when the treatise states that feeling serves as the condition for craving, it speaks in terms of future birth and the currently arising feeling at the present stage of birth and old age and death; but that very essence is subsumed under the member of birth. Now, this member of feeling resides solely at the stage of seeds, because the treatises all designate the five, beginning with consciousness, as suffering of the womb; hence fascicle 93 states that these five are exclusively seeds.