各部分间的同盟, 不论怎样严密, 都不是合宜的代替品.No alliances, however strict, between the parts can be an adequate substitute.代替品—以奶代水加进即食米片或热朱古力食用.Substitution - prepare instant cereals or hot chocolate with milk instead of water.人造纤维代替品已取代...

“代替品”的英语可以翻译为：[法]substitute product ...