travel light

基本解释

If you've been reading this blog for awhile, you know I like to travel light.
如果你看我的博客已经有一段时间了，你应该知道我喜欢轻装旅行。
To travel light, I tried to avoid packing anything heavy, but one weighty item I always carried with me -- a guidebook.
为了轻装旅行，我总是尽量不带重的东西，但有一样有分量的东西我总是带在身边，那就是旅游手册。
weweb.w61.4everdns.com
I usually answered that I'd always liked to travel light, and that going without any bags at all sounded like a fun challenge.
我常常这样回答，我喜欢轻便的旅行，所以把不带行李去旅行当作对自己的有趣的挑战。

The blue light is the product of a long travel path through the snow or ice.
c We know it's very specific for light because in this equation is c, the speed of light. So any time you go to use this equation, if you're trying to use it for an electron, just ask yourself first, does an electron travel at the speed of light?
我们知道它只对光适用是因为在这个方程里有,光速，所以下次你们用这个方程前，如果你们要把它用到一个电子上，先问问你自己，电子的运动速度是光速吗？
麻省理工公开课 - 化学原理课程节选

For those who prefer to travel light--no phone, no laptop, no major purchases abroad--there's always the tried-and-true phone card.
FORBES: How To Call Home From Outside The U.S.
The device will run for about three hours in XP mode and 8-12 hours as a smartphone, and is targeted at execs and salespeople who want to travel light.
ENGADGET: DualCor cPC merges XP PC with smartphone