1. As long as the main contradiction is grasped, the secondary contradiction will be solved and things will be handy.
2. Only by accumulating wealth at ordinary times can you do things with ease.
He plays the piano very well, so he is sometimes invited to perform at the party. Whenever this happens, he is always handy and attracts many people's attention.
Before the game, he made full preparations, so when he started the game, he felt relaxed and without any pressure.
After years of practice, his calligraphy is now handy, fluent and natural.