But I mean, if you launch a feature, obviously retention is going to go up. All right, so I mean, retention has been up recently because of the photos. But focusing on things that are sustainable and
By the end of each week,the students take a quiz,hand in their homework,which are assessed by their peers under the supervision of the instructors,get a grade, move to the next week. 每周结束的时候，学生们参加一个测验
Then there was the tipping point It paid me $100 a month more than I was currently making. 然后是直接让我心动的他愿意在我现在的酬劳上 一个月多给我100美元 I'll make it So I made the leap, but with a conscious commitment to mys
8. Napoleon with Musical Farewell Guard of the Speech 8. 拿破仑声情并茂告别卫队演讲稿 I Want to Embrace You 我要拥抱你们 My dear comrade-in-arms: 我亲爱的战友们： You will have to cherish yourselves. In the past twenty years, we
