The first one is very simple: experience bars measuring progress 首先看一个简单的：用经验值条量度进程 something that's been talked about brilliantly by people like Jesse Schell earlier this year. 它曾经被人精彩地讨论过，比如杰西谢尔
I send greetings to those observing Kwanzaa. Kwanzaa is the celebration of African culture, community, and family traditions. For more than 40 years, millions of people have come together to reaffirm
I know families who are already living in this reality. 我知道这在有些家庭中已经实现了。 The Daniels family, for example, set up a DNA lab in the basement of their suburban Chicago home. 例如丹尼尔斯一家，在芝加哥郊区的家庭地下室建立了一个DNA
We all know the past few years have been difficult for this country. After the worst recession of our lifetimes,it will take longer than any of us would like for the economy to fully recover. But ther
