1 . We Chinese people fully understand that only through great efforts _____________.
中国人民深知，只有通过艰苦努力，才能实现我们的中国梦。

2 . 共享单车不仅给了我们一个锻炼的机会，而且有助于减少私家车的使用。
___________________________ bike-sharing give us a chance to exercise, __________________ it helps to decrease the use of private cars.