"El silencio puede ser la más elocuente de las respuestas."
Technological innovation is the core driving force for the high-quality development of the petroleum industry. We must increase R&D investment and break through key core technologies.
The key to successful investing is to have a clear understanding of the market.
科学的进步不是一条直线,而是一个螺旋,总是在前进,又总是回到起点。
Sensations are the elementary facts of consciousness.