์์ ๊ฑฐ์ ๊ฐ์ฅ ์ค์ํ๊ณ ๋น์ผ ๋ถํ์ ์์ง. ์ฆ '์ฌ๋' ์
๋๋ค.
๊ต๊ณผ์ ๋ณด๋จ ๊ฒฝํ์ ๋ฐํ์ผ๋ก ํ ๋
ธํ์ฐ๋ฅผ ๊ณต์ ํฉ๋๋ค.
The most important and expensive part of the bicycle is the engine. That is, people.
I share know-how based on experience rather than textbook.