Wiring is simple, and has a certain flexibility;
接线简单，并具有一定的灵活性；
A well built bridge has give; it has a certain amount of flexibility to it.
一座设计精良的桥，一定要有良好的韧性。
A well built bridge has a certain amount of flexibility to it.
建造精良的桥有一定柔韧性。
A well built bridge has a certain amount of flexibility to it.
建造精良的桥有一定柔韧性。
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