1. The whole point of marriage is that it imposes clear obligations, not just the right to pursue your own happiness.
    婚姻的全部意义就在于它予以夫妻双方清晰的责任义务，而不仅仅是追求个人幸福的权利。

2. Studies of Olympic athletes, world-class musicians and chess masters show that their common trait is the ability to motivate themselves to pursue harsh training routines.
    对奥运选手、世界级的音乐家和国际象棋大师的研究表明，他们的共同特点就是具有促使自己坚持艰苦的日常训练的能力。

3. I must go to see him right away because my goal in Taiwan is to pursue herbal medicine.
    我必须立刻去见他, 因为我在台湾的目的是研究草药医学.