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- Opening this port is optional. 可以选择打开此端口。
- This port is within two days' sail of New York. 这个港口离纽约的航程不到两天。
- This port is labeled user data on the rear panel of the unit. 在部件板后面的这个端口被标上UserData。
- The printer on this port is offline or not selected. 该端口的打印机脱机或未被选中。
- The client has no direct way to know this port number before the port is used. 在使用端口之前,客户端无法直接知道该端口号。
- Most firewalls are configured to block incoming connections to this port; therefore, you must configure the firewall to open this port when you use Remote Assistance. 大多数防火墙都配置为禁止到该端口的传入连接;因此,在使用“远程协助”时,必须配置防火墙才能打开该端口。
- This port is currently in use by a printer and cannot be removed. Make sure no printer is connected to this port. 该端口正被另一打印机使用,无法删除。请确定没有任何打印机和该端口连接。
- The insurance cover is optional. 保险范围可以随意选择。
- A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
- What time is your restaurant open this evening? 请问餐厅今晚几点开始营业?
- This is our first visit to this port. 我们是第一次到这港口来。
- It is better to open this hand with two diamonds. 这手牌最好开叫二方块。
- The novice must be able to receive an inbound connection on port 3389; this port is the listening port that Remote Assistance uses. 初学者须能够接收端口3389上的传入连接,该端口为“远程协助”所使用的监听端口。
- When was this port open to service? 那这座港口是什么时候开港的呀?
- Is the library open this afternoon? 今天下午图书馆开门吗?
- This is optional and could speed up developer attention to the bug. 这是可选的，也能够加快程序员注意这个程序错误。
- Attendance at the lecture is optional. 这一讲座可随意参加。
- This port handles 100 million tons of cargo each year. 这个港口每年货物吞吐量达1亿吨。
- The micro-controller experiment is optional. 微控制器实验是选修的。
- Fluent English is a must and German is optional. 流利的英语口语水平，如会德语更佳。
