Translate the following sentences into English, each using one o

Translate the following sentences into English, each using one of the given words or phrases below in its proper form.
manipulate   customary  arbitrary  save from   pop into
虽然这些调整不再是任意性的，然而它们所反映出的日历的多样性依然存在。
【正确答案】：Although these adjustments are no longer arbirary, the variety of calendars that they reflect remains.