Technicalness
n. 專門性；技術性
??? 情景例句
They come back here for lunch,
他們回到這兒來吃午餐，
How long did it last?
持續了多久？
A few peopple in each group are given the task of remembering the group's family history that goes back over centuries.
每一個家族都有幾個人擔任記憶延續了幾個世紀的家史的任務。