例句：
Skill comes only with practice, patience, and persistence.
只有通過練習(xí)、耐心和堅(jiān)持不懈才能獲得技能。
In practice, however, such an attitude is counterproductive.
然而在實(shí)際中，這種態(tài)度會適得其反。
Educational practice is liable to sudden swings and changes.
教育實(shí)踐活動易出現(xiàn)突然的轉(zhuǎn)向和變化。