firm commitment

• 坚定承诺,包销承诺

firm commitment的用法和样例：

例句

1. Each Bosch product, from live consumptions to the fresh hearing of hi-tech cultivations, is output under the firm promise of society and environment protection.
   从人们熟知的各种博世生活产品，到鲜为人知的尖端科技创造，每一件都体现了博世长期不懈的创新精神，其中更蕴含了博世对人类社会和环境保护的坚定承诺。