"selfless contribution" is correct and usable in written English. It can be used to describe someone who makes a large donation or provides a valuable service without expecting something in return. For example, "Jane's selfless contribution of time and resources helped build a school in her community."
Anya Gersoff (women's lacrosse), Josh Miller (men's soccer), Emily de la Bruyére (women's cross country and track), and Mary Ann McNulty (women's open rowing) shared the Art Lane Award for "selfless contribution to sport and society". Men's lightweight rower James Agolia received the Class of 1916 Cup, given to the varsity letter-winner with the highest academic standing.
The award is given to honor selfless contribution to sport and society by an undergraduate athlete.
He never returned to politics, but on his death in 2006 was widely saluted for his selfless contribution to society.
The government said it would remember Selebi for his "selfless contribution to the liberation struggle"; the ANC described him as a "giant".
Ben Foulon (sprint football) and Kathy Qu (women's swimming and diving) received the Art Lane Award for selfless contribution to sport and society.
Ted Gudmundsen (men's lightweight crew), Michael Honigberg (men's swimming), and Katie Lewomenamonica (women's lacrosse) shared the Art Lane Award for selfless contribution to sport and society.
He was also highly respected for his selfless contributions to professional and philanthropic organizations.
Pioneering surgeon and skilled teacher of countless new physicians, he received many medical, civic and religious honors for his selfless contributions to humanity.
In many ways, Glenn Doc Rivers of Chicago and Willie Randolph from Brooklyn were kindred playing spirits, never stars but always among the league leaders in smart and selfless contributions.
In contrast, our scale up methodology assumes that selfless contributions of time and resources – donating blood, if you will – for growth can only go so far.
In 2000, a Straits Times reader wrote to comment on her selfless contributions to the society and urged the young to follow her example: Hsu was still actively involved in charity work after turning 110.
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MA of Applied Linguistic, Maquarie University, Australia