The energy sector is the backbone of any economy, and its stability ensures national security.

If you're not failing every now and then, you're not doing anything very innovative.

假如我的医生告诉我，我只剩6分钟可活，我不会忧伤，我会把字打的快一点。

学会怎么打称人结（又叫“撑人结”，不会越拉越小的结）。而且要摸黑练习、单手练习。在今后的日子里，你根本想不到它有多有用。