Magic tricks, card games and other "interactive" gimmicks can work, but too many of them detract from what the speaker is trying to get across to the audience.
2
但是,我发现我会的魔术只能够变硬币和扑克牌。
But I found that magic I can play only change the coin and playing CARDS.
3
强迫抽牌是扑克牌魔术里其中一类最重要及最多用途的技巧。
Card Forcing is one of the most essential and powerful sleights in card magic.