Summer may be a time when most are happy moments to relax from hard work or hard lessons come in throughout the year, so I think that in the summer is the season that give pleasure to many people.
Summer of many people Probably the happiest moments. A moment of rest The hard work Or study hard all year, so I think in the summer is the season to give happiness to many people.
Summer, many of them may be the happiest A time of rest from work or study hard all year. So I think in the summer season of giving happiness to many people.