1·The net force is ultimately the sum of the external force and all the internal forces.
合力是最终的总和，外力与所有内力总和。
2·And one of the most common obfuscators of emergent design is technical debt - compromises imposed on your design for the sake of some external force, such as schedule pressure.
紧急设计最常见的一个混淆器(obfuscators)是技术债务—由于外力原因强加于您设计的折中方案，例如，时间压力。
3·There is no external force can take away your advantage.
没有一种外力能抢走你这个优势。
4·Talent as sponge in the water, there is no external force of extrusion, it is an absolute flow not to come out.
人的才华就如海绵的水，没有外力的挤压，它是绝对流不出来的。
5·But because the extension of the rubber band is not directly proportional to the external force, the scale of the rubber band can not be divided equally.
但由于橡皮筋的伸长与所受外力不成正比，故不能等分地进行刻度。