目前还没有一种语言可作为尼日利亚的国语。
At present no one language is acceptable as a national language for Nigeria.
但是目前还没有一种非常有效的预处理方法。
However, there is not a very effective method using for pre-process.
目前还没有一种有效的治疗可以延缓帕金森病的进程。
Currently there is no treatment that has been shown to slow the progression of PD.
应用推荐