The country has a weak economic foundation.

• 底子

The country has a weak economic foundation.的用法和样例：

例句

1. Now that the truth about Hu Feng and company has come to light, many phenomena can be satisfactorily explained and their activities stopped.
   现在查出了胡风们的底子，许多现象就得到了合理的解释，他们的活动就可以制止了。