情定缘投兄 Love in Taiwan

缘投囝子 Margin investing and son

凸缘投影 flange projection

投缘 hit it off ; Compatibility ; Affinity ; Sunnie

投缘的街坊们 congenial neighbors

聊得投缘 talk congenially

缘投鸟 fate bird

小缘投 xiaoyuantou

垂直边缘投影 vertical edge projection

水平边缘投影 Horizontal edge projection