可以用 "care for shared bikes" 来表达对共享单车的爱护。"Care for" 在这里表示关心、照顾，而 "shared bikes" 则是指共享单车。
例句：
Let's work together to care for shared bikes and keep them in good condition for everyone to use.
It's important to care for shared bikes because they provide an affordable and eco-friendly transportation option for many people.
翻译：
让我们共同努力，爱护共享单车，并让它们保持良好状态，供大家使用。
爱护共享单车很重要，因为它们为许多人提供了一种经济实惠、环保的交通方式。