探险者依靠指南针的磁北方向穿越荒野。

The explorer relied on the ___MGN from his compass to navigate through the wilderness.

这种抗酸剂含有MGN成分，可以中和胃酸。

This antacid contains ___MGN to neutralize stomach acid.

良好的管理可以提高团队效率。

Good ___management can improve team efficiency.