1. The New York event is one of the 4 principal twice-a-year fashion weeks, followed by London, Milan and Paris. 纽约时装周一年两次，是4大时装周之一，其它三者分别为伦敦、米兰和巴黎时装周。
2. Finally, eating a good healthy diet, seeing your dentist at least twice-a-year and maintaining good dental habits will help decrease your chance of diseases. 总之，吃得健康、一年至少看两次牙医并保持良好的用牙习惯有助于降低得病的风险。
3. The twice-a-year report is intended to draw focus to the central bank’s dual mandate: promoting maximum employment while keeping the inflation rate low and steady. 一年俩次的报告打算集中力量制定央行的双重任务：提高就业率同时保持稳定的低通胀率。
4. Most supervisory boards meet only twice a year. 大多数监理会一年只开两次会。
5. You should visit your dentist at least twice a year. 你应该每年至少去看两次牙科医生。
