煤炭行业的高质量发展必须坚持安全第一。

Escribir es un acto de valentía, de enfrentarse a uno mismo y al mundo.

We can talk about a happening in three main ways: by describing it， by recounting its history， by telling a story about it.

We are all bit-part actors in each other's lives.

角色胡八一的自嘲式台词，体现其坚韧性格。