在冬天，我们应该为无家可归的人着想。

We should ___spare ___a ___thought ___for the homeless during winter.

让我们为那些不知疲倦工作的志愿者们着想。

Let's ___spare ___a ___thought ___for the volunteers who work tirelessly.

在危机时期，重要的是为那些不那么幸运的人着想。

In times of crisis, it's important to ___spare ___a ___thought ___for those less fortunate.