There are lots of applications that aren't troublesome in themselves, but have potential security holes, like when a port or protocol used normally by that app has vulnerabilities.
很多应用程序本身没有问题，但是存在潜在的安全漏洞，比如这种应用程序所使用的某个端口或协议存在漏洞。
2
The last time he had seen her, just before they left port, her eyes had been raw from crying, two ghastly red holes in a wan, pale face.
上次他看见她还是在他们离港前，她双眼因为痛哭而红肿，像是两团红色的圆洞嵌在她苍白无血色的脸上。
3
This paper makes introduction to the design and construction of large-dia meter column piles with rubble stone embedded in holes used for the sea-port wharves at Zhoushan Islands.