机器学习是让计算机在没有明确编程的情况下行动的科学。
Machine learning is the science of getting computers to act without being explicitly programmed.
The most exciting aspect of catalysis is the endless possibilities it offers for discovery and innovation.
科学是分类学家的乐园。
音乐让我学会了如何面对生活中的起伏。
"The best investment you can make is in yourself."
For every dollar you spend purchasing something substantial， expect to pay a dollar in repairs， maintenance， or disposal by the end of its life.