The power of money is supreme (in sport “field” means all the persons taking part in a competition or contest).
5. …the champion of the root of evil.
One who speaks in defence of evil, here money.
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I’ve been noticing it for two weeks.
The Present Perfect Continuous is often used in colloquial speech. It denotes an action taking place for a certain period of time up to the moment of speech. The use of this form with verbs of perception is characteristic of emotional colloquial speech.