I derived your mom last night. It was f prime., 昨晚上求你姨妹导（数），结果是f'. Today, the laptop remains a \need-to-have\ product; the ...

The government also suggested that men wear their shirts untucked., 政府还建议男人应该都把衬衫下摆拉出裤头，凉快点。 Also featured on the Bentley ...