“西方文化”常见的英文表达是 Western culture 。
例如：
Western culture has had a profound impact on many parts of the world.（西方文化对世界上许多地方都产生了深远的影响。）
We should learn from the strengths of Western culture while preserving our own traditional values.（我们应该学习西方文化的长处，同时保留我们自己的传统价值观。）