THE Janus-faced nature of atomic power has inspired much writing.

核能的两面性为作家提供了诸多写作素材。

youdao

There is an implied moral critique here of Janus-faced profiteers who ought really to admit that their arguments are specious.

ECONOMIST: Food safety

The Zundapp Janus was a double-ended microcar in which passengers, like the Roman God, faced both ways.

WSJ: Dan Neil on an Auction of Microcars Owned by Bruce Weiner