Although they come in a vast variety of shapes and colors now, it was only a few months ago that the lion's share of face masks in Japan were the plain old tighty-whities.
現在では様々な形や色があるが、たった数ヶ月前までは素朴な古い白だった。
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO?
Memorize