You may not be the most luminous of people, but as a conductor of light, you are unbeatable.

或许你不是最闪闪发光的那个，但是作为光的传递者，你也一样会举世无双。

youdao

As a conductor of light beams, a given volume of the fibers can carry many times as many impulses as a similar volume of copper wire, and may eventually obsolete the latter in telephone communications--as well as in computers, aircraft and for many military purposes.

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