Only by continuous learning can we make continuous progress.
Every performance is a new challenge, and I love this challenge.
The unity of Europe is a historical necessity.
Embrace challenges as opportunities to learn and grow.
經(jīng)濟發(fā)展理論研究的是經(jīng)濟系統(tǒng)如何產(chǎn)生不斷改變它的力量。