Fish use currents to travel far.
Meaning: This means that fish use the ocean currents to move long distances.
Choice of Words: Use means to employ or apply something for a particular purpose. Currents are streams of water or air moving in a certain direction. Travel means to move from one place to another. Far means a great distance. When you put them together, "Use currents to travel far" means to employ or apply currents to move from one place to another over a great distance.
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Related Expressions