Generally yin the warranty period is free of charge, after the warranty period according to the model of the watchmodel and the battery life of the model.
一般在保修期内是免费的，过了保修期根据手表型号选择电池的型号和电池使用寿命收费。
2
The research team used a model to watch changes among street trees for several planting and management methods.
研究团队使用一个模型来观察几种种植和管理方式下的行道树变化。
3
There is a place for Apple’s model of downloading and buying videos—children, for example, like to watch the same TV programme many times—but that market is likely to be smaller.