We might no longer （need） paper money one day because of WeChat Wallet and Alipay．
广州的公园每年都种很多树．
Every year， a lot of trees in the parks in Guangzhou．
明天的大雨可能会阻碍我们外出．
The heavy rain may us from out tomorrow．
参观广州博物馆对我们很有教育意义．
very educational for us Guangzhou Museum．
你沿丝绸之路旅游过吗？
ever along the Silk Road？
The students are very h ． They clean houses for the old people every weekend．