两国领导人通过热线电话紧急沟通了边境冲突问题。

The leaders urgently discussed the border conflict via the ___hotline.

如果你遇到家庭暴力问题，可以拨打妇女援助热线寻求帮助。

If you face domestic violence issues, you can call the women's aid ___hotline for help.