Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.
煤炭是我国的主体能源,在相当长时期内仍将是我国能源安全的基石。
我们都是相连的,不仅彼此相连,还与土地、天空和海洋相连。
The only true happiness comes from squandering ourselves for a purpose.