Question

しゃだ

波線部分の英文はどのような訳になりますか？

2 TOTO has been making ceramic
(
sanitary ware for over a hundred years, and their
constant high-quality innovations have brought them
success. In an interview with The New York Times,
the owner of an American plumbing company said
that sitting on a toilet not made by TOTO would be
like "going back to the Stone Age." So, how did TOTO
become such a well-known and respected company? To
we have to go back to the beginning of the 20th century