■ (to be) one's to inf.

这是英语常用的句法结构（后面的 inf. 必须是及物动词），意思是“某事物属于某人所有，因此某人可以或应该对之施加某行动”。

• The future is yours to create.你的前途，由你自己来创造。
• The world is yours to change.世界是你们的，该由你们来改造。
• UCLA's legacy is yours to fulfill.加州大学洛杉矶分校的校风，该由你们这些毕业生来发扬。
• The trial issue is yours to keep.赠送试阅的这一期归您所有并保存。
• His pay is hers to spend.他挣的工资，由她来花。
• Whatever the wife owned before her marriage is hers to keep.妻子婚前的财产，仍归妻子所有。
• Their nation's future is theirs to decide.国家民族的前途，是由他们来决定的。

如果强调排他，可以在 one's 后面加上 alone。

• They believe these controls are theirs alone to exercise.他们以为这些控制手段属他们专有，只有他们才能把持。
• It happens that the social contract between the government and the governed seems to be his alone to write.政府和被治理者之间的社会契约，简直像是应该由他一手来起草的。