Tính từ về Giá trị và Tầm quan trọng - Tính từ tiện ích
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Đố vui
producing desired results through effective and efficient use of time, resources, and effort
(of a system or machine) achieving maximum productivity without wasting much time, effort, or money
offering assistance or support, making tasks easier or problems more manageable for others
(of an author, artist, etc.) having a high level of productivity or creativity, especially in producing a large quantity of work or ideas
achieving maximum efficiency and results with minimal resources and costs
capable of producing a lot of profit or earning a great amount of money for someone
not producing desired results or outcomes, often wasting time, resources, or effort
not able to achieve maximum productivity or desired results with minimum waste of energy, money, or time
not providing any assistance or useful help in making a situation better or easier