地质学是研究自然界有机和无机领域连续变化的科学。
你的过去不能定义你的未来。
小狗怀疑大宇宙阴谋篡夺它的位置。
我们今天所做的每一个决定都会在未来海洋中产生涟漪效应。
If one only wished to be happy, this could be easily accomplished; but we wish to be happier than other people, and this is always difficult, for we believe others to be happier than they are.