Mathematics is not a spectator sport.
数学不是一项观赏性运动。
I'm not a brand. I'm a human being.
Mindfulness meditation can strengthen attentional control by training the brain to focus and resist distraction.
Investors should focus on asset allocation rather than market timing.
船舶自动转向的引入是一个稳定性问题,而非准确性问题。
Don't criticize what you can't understand.