firm commitment的用法和樣例：
例句
- 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.
從人們熟知的各種博世生活產(chǎn)品，到鮮為人知的尖端科技創(chuàng )造，每一件都體現了博世長(cháng)期不懈的創(chuàng )新精神，其中更蘊含了博世對人類(lèi)社會(huì )和環(huán)境保護的堅定承諾。
