78 percent of black high-school graduates are unemployed.
百分之四十八的黑人高中毕业生失业。
If it hadn't rained so hard yesterday, we would have played tennis.
如果昨天没下那么大的雨,我们就去打网球了。
Why does the idea of progress loom so large in the modern world? Surely progress of a particular kind is actually taking place around us and is becoming more and more manifest.