target要加to
target to释义：
对准目标指定软件面向
例句：
The new sports complex is on target to open in June.
新建的体育中心将在六月份如期开放。
For example， the United Arab Emirates has endorsed an ambitious target to draw 24% of its primary energy consumption from renewable sources by 2021.
例如，阿联酋已经批准了一个雄心勃勃的目标，即到2021年实现24%的主要能源消耗提取自可再生能源的目标。
