So the idea of mastery learning is to do the exact opposite. 然而掌握式教育的观念就是反其道而行之。 Instead of artificially constraining, fixing when and how long you work on something, 将人为的限制、僵化、何时学习和学多久、 pretty much e
WEEKLY ADDRESS: Making Our Communities Stronger through Fair Housing (July 11, 2015) 奥巴马每周电视讲话：总统呼吁公平住房体系 Hi,everybody.It's our job as citizens to make sure we keep pushing this country we love toward
And Portland is not alone here. 波特兰市在这件事上并不孤独。 Forty percent of municipalities self-report dumping raw or partially treated sewage into our waterways. 40%的市政当局在自述汇报中指出曾倾倒未处理或仅部分处理的污水进入水网。 The other bu
Hi, everybody. It's now been 45 days since I nominated Judge Merrick Garland to the Supreme Court. Judge Garland is a man of experience, integrity, and unimpeachable qualifications. Judge Garland
