And the other optional component here is the introduction.

其他可组成部分是引子。

Other options for the balls include grass, konjac, or coconut jellies.

你可不种类粉圆，包括仙草，蒟蒻，或是椰奶西米露。

And his palette is already pretty limited.

他可色彩范围已经十分有限了。

You can enroll in courses that bring together pairs of professors representing different disciplines, who model how looking at a problem from divergent perspectives can lead to new insights

在耶鲁可课程中，经常可见两位代表不学科教授共教授门课。在他们课上你将体会到，从不视角审视问题将促生全新观点。

But we have confirmed the dates and planned the optional extra visits which you can also book in advance if you want to.

但我们已经确定好了出团日期，并规了可额外景点。如果你想去话可以提前预定。

This simply means that of all the options available, you choose the safest one.

这单纯表示在许多可择中，你了最安全。

Um, then there's a London trip on the 16th of February and we'll be taking a medium-sized coach so there'll be 45 places on that and let's see the optional extra is the Tower of London.

2月16日有伦敦之旅，我们将乘坐中型客车，所以那上面有45座位，让我们看看可额外座位是伦敦塔。

We have optional programs which are right down here.

我们在这里看到了可项目。

But sometimes, severely rotten flesh is the only item on the menu.

但是有时候，严重腐烂肉体是仅有可食物。

At Wework, members have different plans to choose.

联合办公空间有不模式可。

I was advised to just take the test optional option for my more selective colleges.

有人建议我只参加那些重点大学可考试。

It keeps them extra moist and adds a bright citrus flavor, but it's totally optional.

能让蛋糕保持额外湿润，并增添种明亮柑橘风味，但步完全是可。

Weekend adventures and independent hire are also available.

周末冒险和独立租赁也是可。

We don't have a lot of options, and you're gonna have to pick one.

我们没那么多可，你得。

Or they're just learning something for fun, and there's no available classes to take.

或者他们只是为了好玩而学习某些东西，却没有合适课程可。

Alright, well that was not one of the choices.

好吧，那并不是可方案之。

Let's just look at our options for a minute, Alice coaxed.

“让我们花分钟时间浏览下我们可项。”爱丽丝耐心地哄着。

We also have a bunch of things in the open world that you can do where you can discover some new storylines that aren't part of the main story that are optional.

我们在开放世界中也有很多事情你可以做，在那里你可以发现些新故事情节，这些故事情节不是主要故事部分，而是可。

You can book a sightseeing tour or a helicopter tour that includes a visit to the West Rim and Hoover Dam as well as an optional Skywalk experience.

可以预订观光旅游或直升机旅游，包括参观西缘谷和胡佛大坝，以及可天桥体验。

In the United States, two physicians are required to conduct the brain death test six hours apart before declaring death, but confirmatory tests are optional.

在美国，两名医生必须在宣布死亡前相隔六小时进行脑死亡测试，但确认测试是可。