1. We must constantly endeavour if we are to succeed. 如果我们要成功，就必须不断努力。
2. And always endeavour to reduce customer costs. 并总是尽力降低客户成本。
3. First, we should endeavour to work for the well-being of the next generation. 第一，我们必须为下一代的幸福理想，努力做好今天的工作。
1. a purposeful or industrious undertaking (especially one that requires effort or boldness)
2. earnest and conscientious activity intended to do or accomplish something v.
1. attempt by employing effort