The progress of mathematics is measured by the number of problems it can solve.
You are not the opinion of somebody who doesn't know you.
农业成功的真正衡量标准不仅仅是产量,还有我们土壤和社区的健康。
保持在场,持续保持在场。成功人士说过:99%的成功就是因为保持在场赢得的。
The mining industry has a responsibility to operate sustainably and ethically.