People stay connected in different ways. In America, the most popular ones are FB and Twitter. They are popular social media sites that help people to connect with both strangers and friends. Lately, Tinder is becoming a trend. It is a dating app matches people who are suitable for each other so they can go on a date!

What did you tweet about today on Twitter?
今天你在"推特"上都说了什么啊？
What did you post on your friend's wall?
你在"脸书"的朋友墙上写了什么？
Do you hook up on Tinder and how safe is it?
你会不会在Tinder上约会呢？安全吗？
Tweet只能用Twitter上发消息；Post可以表示在任何社交媒体上发信息，发帖子，比如：I just posted a video on WeChat moment; hook up是很随意地约会，hook up on Tinder是在Tinder上很随意的约会。

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