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- The coach substituted Smith for Jones. 教练让史密斯上场，换下了琼斯。
- Tom substituted for the injured player. 汤姆替换了那个受伤的运动员。
- optionally substituted 可选被取代
- The understudy was substituted when the leading actor fell ill. 主角演员患病，由替角代替演出。
- You must do it; you have little option. 你必须做,你没有选择的余地。
- It is at your option to stay or leave. 去留随你的便。
- You must do it; you have no option. 你必须做，你没有选择的余地。
- She has taken an option on that piece of land. 她已取得那块土地的购置权。
- The former option favours the married man. 前一种选择对已婚男子有利。
- A striker was substituted for a midfield player in the last half-hour of play. 在比赛的最后30分钟里，一个中场运动员被一个强攻手替换了下去。
- We substituted a red ball for blue to see if the baby would notice. 我们用红皮球换下了蓝皮球，看这婴儿会不会发觉。
- Home-made parts are being substituted for imported ones. 国产零件取代进口零件。
- She substituted margarine for butter. 她用人造的奶油代替黄油。
- He substituted as the typist in the office. 他代替做这个办公室的打字员。
- We had to eat some potatoes substituted as a meal. 我们只得吃了几个马铃薯充饥。
- The buyer has the option of canceling the contract. 买主有权撤消合同。
- He substituted for the typist during her absence. 打字员不在时由他代替。
- We have the option of going or not. 我们有去或不去的选择自由。
- He substituted cunning for their simplicity. 他以奸滑代替了他们的直率。
- We substituted John for Bill at first base. 第一垒我们让约翰代替比尔。
