1.Besides, the issue of its implicitness and overtness needsfurther discussion since it has been simply touched upon.

此外，由于對比性過渡詞的隱性和顯性問題只是被簡單提及，也需要進一步的討論。

2.Besides, the issue of its implicitness and overtness needsfurther discussion since it has been simply touched upon.

此外，由于對比性過渡詞的隱性和顯性問題只是被簡單提及，也需要進一步的討論。