Northerners have long resisted mutualisation for fear of underwriting laxity in the south.
长期以来，北方人一直拒绝共同化，因为他们担心南方的保险制度过于宽松。
经济学人（汇总）
But what exactly he and Mr Hollande mean by this, besides the mutualisation of debt, is unclear.
然而，对于债务互助化问题等政治联盟问题，他和奥朗德究竟言之何意还尚不明朗。
英语百科
Mutualization
Mutualization or mutualisation is the process by which a joint stock company changes legal form to a mutual organization or a cooperative, so that the majority of the stock is owned by employees or customers. Demutualization or privatization is the reverse process.