She gave him a look that made words superfluous.

她看了他一眼，这已表明一切，无须多言了。

《牛津词典》

As they had been discussing a score of personal matters only half-an-hour before, the introductory style seemed a little superfluous.

仅仅在半点钟以前，他们已经讨论过许多有关个人的问题了，现在他们这种客套似乎有点儿多余。

youdao

Much of the data, while important in a spreadsheet context, is superfluous to simple data exchange, so you need to focus on the real data.

很多数据尽管在电子表格环境中非常重要，但是对于简单的数据交换来说则是多余的，因此您需要关注真实的数据。

youdao

Someday computers could even make superfluous a few of those million-dollar-a-year block traders manning banks of telephones.

FORBES: Fear, Greed And Technology

Fueled by tax-exempt contributions from left-wing foundations, NRDC has forced the deficit-ridden state to squander scarce resources on a superfluous study because a special interest group wants a do-over on a settled regulatory matter.

FORBES: Fear-Mongering, Junk Science And NRDC

The industry, however, viewed another organization for cybersecurity issues as a superfluous layer of bureaucracy, a telecom official said.

WSJ: Internet Providers Persuade FCC Panel Against Cybersecurity Recommendations