translation.en: Now, that sounds esoteric, and indeed it was an esoteric pursuit, but the quantum theory quickly led to an understanding of the behaviors of electrons in materials like silicon, for example.
translation.zh: 这听起来很深奥， 它也确实是很深奥的学问， 但是量子理论很快引导人们 理解物质里电子的行为， 比如说硅原子。