Given the task definition and input, reply with output. Given a sentence in Igbo language, translate the sentence to English language keeping the meaning of the original sentence intact

Igbo sentence: A mfe ma doo anya na mkpebi na-aru oru na Aroon Oscillator bu: izuta mgbe oscillator akpali si na-ezighi ezi region ha mma otu, ere na-abughi onodu.
A simple and clear decision making while working with the Aroon Oscillator is: buy when the oscillator moves from the negative region to the positive one, sell in the opposite situation.