天气预报说没有雨的话，我们就可以到外面的阳光下(当然要涂些防晒霜)来尝试这些娱乐活动，能出门的时候就花少一些时间在室内健身室里喽。

Without rain in the forecast, we can get outside in the sun (wearing plenty of sunscreen, of course) to try these recreational activities, and spend less time indoors at the gym while we're at it.

youdao

他们一大早就出发了，路上行人稀少，所以旅途花的时间比预期要少。

They had left early in the morning, on quiet roads, and made good time.

《柯林斯英汉双解大词典》

一定要比自己挣的花的少，如果没有那么多钱，就不要行动。

Spend less than you earn, go without until you have the money.

youdao

If I consume less than my income today, I'm saving and my consumption would be lower this year.

如果我花的比赚的少,我在储蓄,今年的消费就会较少

耶鲁公开课 - 金融市场课程节选

I need to spend less time at the office and more time with my family, telling the people that I love that I love them, doing the things that are important to me, spend less time worrying about getting ahead, making money,getting the plasma TV,whatever it is.

我要花更少时间在工作上，多陪陪家人，告诉我爱的人们我爱他们，做那些对我来说重要的事情，不再浪费时间担心如何获得成功，想着赚大钱，买等离子电视什么的。

耶鲁公开课 - 死亡课程节选