Drag your top and bottomguide lines so that they snap to the top and bottom of your image (as shows in fig 3a & b).
拖动你的顶部和底部的参考线，直到他们吸附在图片的顶部和底部。
2
If the latest data are any guide, both American and British house prices may be finding a bottom.
如果近期数据具有指向作用，那么美国和英国的房产价格正在触底。
3
With the newest kind of surgery, doctors make a small cut in the patient's belly bottom(button). A camera is placed through the hole to help *(guide) the surgical instrument.