音乐伴奏难美项群自身发挥系统的可控因素包括：成套价值、难度选择、训练组织、专项储备和参赛心理。

Self exertion system includes routine value, elements selection, training organization, and ability repertory and competition psychology five basic factors.

youdao

开球难度较大时，选择一根用起来能不给你添乱的高尔夫球杆。

With a difficult tee shot, select a club which will keep you short of the trouble.

《柯林斯英汉双解大词典》

哦，我玩过很多的游戏，包括了各种游戏类型，但每次我选择的都是标准难度。

Oh, I play a lot of games, across all sorts of genres, but it’s always on standard difficulty.

youdao