I'm OK → The Most Useful Phrase in Japan

In this video

1. 「大丈夫です」の本当の使い方。 Daijōbu desu no hontō no tsukaikata. The most useful phrase in Japan you're probably misusing.
2. 店員さんに袋が必要か聞かれたら。 Ten-in san ni fukuro ga hitsuyō ka kikaretara. When someone offers you a plastic bag or a receipt, you don't need to say 'no thanks'.
3. 「大丈夫です」 daijōbu desu Just say 'daijōbu desu'.
4. 軽く手を振って、「大丈夫です」。 Karuku te o futte, 'daijōbu desu'. Just say 「大丈夫です」 and give a small hand wave.
5. 「大丈夫です」 daijōbu desu I'm okay.
6. 次回の旅行で使ってみてね！ Jikai no ryokō de tsukatte mite ne! Saves you from awkward English. Try it next time you shop!