Grown in glasshouses, pineberries start offgreen, gradually turning paler as they ripen.

它们生长在温室里，未成熟的时候呈现的是绿色，慢慢地就越变越白，直至完全成熟。

In other words again we are the blossoms that develops in glasshouses, can not stand outside wind blows and rain beats down.

又换句话说我们就是温室里培养的花朵，经不起外界的风吹雨打。