Until recent years, the Olympics were a hotbed of political protest and boycotts.
Until recent years, the Olympics were a hotbed of political protest and boycotts.
近几年来，奥运会成为政治抗议和抵制的温床。
Until recent years, the Olympics were a hotbed of political protest and boycotts.
近几年来，奥运会成为政治抗议和抵制的温床。