愆伏

Every time I take a city bus, a very simple question pops into my head: why do city buses not have seat belts?

This is my first English blog. Despite having studied English for several years in school, I still consider myself a beginner in learning the language. Sometimes, I feel confident in my English skills, such as when reading technical documents. But at other times, I become discouraged when I have to speak English during an interview or conversation with a native speaker.