✅ 同义词
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
The X2500 has the unique feature of providing better data flow with less input time.
这种X2500型的特点就是减少输入时间，使资料更为顺畅。
To such motives, yet another must be added.
除了以上动机外，还应再加上一个。