命题是断言某事是或不是事实的陈述。
The architect must think like a sculptor and a scientist.
Around computers it is difficult to find the correct unit of time to measure progress. Some cathedrals took a century to complete. Can you imagine the grandeur and scope of a program that would take as long?
我们在二十多岁时做出的选择是我们将领导的生活的基础。
Diplomats should have the ability to respect and understand other countries and cultures, as well as the ability to communicate across language and cultural barriers.