current track number

例句：

1. 1. The current president is a very popular figure in the country.
   现任总统在国家非常受欢迎。
2. 2. We need to make some changes to our current plans.
   我们需要对我们的计划做一些改变。
3. 3. The current trend in fashion is towards minimalism.
   当前时尚趋势是向极简主义发展。