The ethical implications of gene editing must be considered at every step.
基因编辑的伦理影响必须在每一步都得到考量。
The only way to learn mathematics is to do mathematics.
一个社会的竞争优势不是来自学校把乘法和元素周期表教得多么好,而是来自他们激发学生想象力和创造力的程度。