There are lots of problems in your code.
有你的代码中的问题很多。
It's difficult teaching nowadays. There are lots of problems and not enough money.
如今办教育真难，要面对一大堆难题，经费又不足。
Unfortunately, there are lots of scalability problems with this kind of approach.
不幸的是，这种方法有很多可伸缩性问题。
Unfortunately, there are lots of scalability problems with this kind of approach.
不幸的是，这种方法有很多可伸缩性问题。
应用推荐