“全球战略”常见的英文表达是 global strategy。
例句：
The company has formulated a global strategy to expand its market share.（该公司制定了一项全球战略，以扩大其市场份额。）
The government is reviewing its global strategy in response to changing international circumstances.（政府正在根据变化的国际形势重新审视其全球战略。）