Imposing speed restrictions is easy, but forcing motorists to observe them is trickier.限制车速容易，但强制司机遵守这些限速规定就难办多了。This is the general rule, but some cases are trickier than others.以上是一般规则, 但某些案例会比别的案例更为棘手.The lower the nu...
Imposing speed restrictions is easy, but forcing motorists to observe them is trickier.限制车速容易，但强制司机遵守这些限速规定就难办多了。Imposing speed restrictions is easy, but forcing motorists to observe them is trickier...限制车速容易，但强制司机遵守这些限速...
我得到了所有数字后就把它们加起来.When I had all the figures, I cast them up.把这些费用加起来也许要用好几个小时.It may take several hours to figure up these expenses.把这些数字加起来, 总数是100.When you add all the figures together, the sum is 100....
When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。Why were grown-ups always so st...