(if) by some chance; by some possibility; in the unlikely event that; (unlikely event of) emergency; the worst(-case scenario)
identical; same; one and the same; fair; equal treatment; without discrimination
purity; homogeneity; unadorned
solely; entirely; only; or
single; simple; sole; individual; unitary
① 二つ以上のものが一つに合わさること、一つに合わせること。
① 他を顧みないで一つのことに心を集中すること。② 第一、随一
choosing one from among several; multiple choice
Very sincerely yours; (arch.) different
choosing between two things; two choices