The phrase "price of time" refers to the value of one's time, and there are several synonyms that can be used to express this idea. Some alternative phrases include "the cost of time investment," "the worth of time," "the expense of our time," "the toll on our time," and "the currency of our time." Each of these phrases emphasizes the idea that time is a valuable resource that must be carefully managed and invested in, much like money. Using these types of phrases can help individuals and businesses to prioritize their time, reducing wasted hours and increasing efficiency and productivity.