I've found this to be a really efficient way to travel, not to mention cheap!

我发现在旅行中这是一个很高效的方法，更不用说很便宜了。

youdao

Even the middle class has access to penicillin, air travel, good cheap food, the Internet, and cable TV, not to mention a heart bypass operation, if needed.

中产阶级也有机会使用青霉素、飞机旅行、便宜食品、因特网络和有线电视，更不用说心脏搭桥手术，如果有必要的话。

youdao

Not to mention that 250-300$ devices become over 400$ in India and any country not China. So they are not as cheap as you think.

更别说250-300美元的设备到了印度或是任何其它国家摇身一变就超过400美元了。所以它们并不像你想象得那么便宜。

youdao

The decisions are predicated on federal and state environmental laws as well as prior court cases, not to mention the relative cheap price of natural gas.

FORBES: Coal To Gas Moves Are Generating Economic Waves

Not to mention, comedies will prove a welcome return after the deluge of cheap reality offerings (think My Dad is Better Than Your Dad and Farmer Wants a Wife) put on the schedule during the writers' strike.

FORBES: Lacey Rose On Hollywood

It seems that the use of (heavily subsidized) corn as a cheap universal feed for chickens, for cows, and even for fish, not to mention the corn products that seep into candy, soft drinks, cheese, and almost everything else, has made that particular package of starch nearly inescapable.

NEWYORKER: Food, Inc.