This is a hop-on hop-off service and tickets are valid for 24hours.

这是一种随上随下服务，车票24小时有效。

The Special tickets are also valid for travel at weekends.

这种特殊票在周末出行也有效。

The guarantee from the manufacturer is valid for one year.

厂商的保证一年有效。

Then there's the Special ticket, which is valid for travel after 10.15.

之后还有一种特殊票，它在10: 15以后出行才有效。

The deal was reached at the G20 summit and is valid for three months.

该协议在G20峰会上达成 有效期为三个月。

This was valid for all the subjects I spent all evenings long doing nothing.

这对我所有的研究对象都是有效的 我花了整整一个晚上什么也不做。

The initiative, which was initially valid for 120 days, has been extended several times.

该倡议最初有效期为 120 天，现已多次延长。

Then there's Special ticket, which is valid for travel after 10. 15.

之后还有一种特殊票，它在10: 15以后出行才有效。

Your ticket is not valid for travel.

你的车票不能使用。

Your return ticket is valid for three months.

【valid】你的往返票有效期为三个月。

The person can either accept or decline, and that decision is valid for one year.

该人可以接受或拒绝，该决定的有效期为一年。

They'd verify your smartphone as an authorized guest, and send you an encrypted key—valid only for the length of your stay.

他们会验证你的智能手机，将你授权成为客人，然后给你发送密钥——而且只在你入住期间有效。

The DHS said it would increase the time that work permits are valid for some immigrants, including asylum-seekers, to five years.

国土安全部表示，将把包括寻求庇护者在内的一些移民的工作许可有效期延长至五年。

And the same argument is valid for sex (aphrodision) and all forms of spiritedness (thymos).

同样的论点也适用于性 (aphrodision) 和所有形式的活力 (thymos)。

The 5 cents stamp depicting Franklin and 10 cent depicting Washington became valid for use in the U.S. in the year 1847.

1847年，印有富兰克林的5美分邮票和华盛顿的10美分邮票开始在美国使用。

We can choose any qualified officiant and the marriage license is valid for 90 days – that's 90 days to get married and have the marriage recorded.

Yves：我们可以选择任何合格的主婚人，结婚证的有效期为 90 天——也就是 90 天可以结婚并登记结婚。

Your tickets are valid for one year.If you want to change flight, you just go to the airline's ticketing office and have it reconfirmed.But you have to fly the same airlines.

你们的机票一年之内有效。如果您想改变航班日期，您只需到售票处再次确定您的航班就行了。不过您仍然得乘坐同一家航空公司的班机。

The researchers were left with two possible conclusions: either the hypothesis about stripes is still valid for other predators but not P. californicus, or the color patterns evolved for a different reason.

研究人员得出了两个可能的结论：要么关于条纹的假设对其他捕食者仍然有效， 但对 P. californicus 无效，要么颜色图案因不同原因而进化。

Yves says that, " The marriage license is valid for 90 days." So, you get your marriage license and then you must use that marriage license, you must actually get married, within 90 days.

Yves 说， “结婚证的有效期为 90 天。 ”所以，你拿到结婚证， 然后你必须使用那个结婚证， 你必须在 90 天内实际结婚。

In comparison with a human's construction of your cat, for example, the bug creates a limited one, but one that is nevertheless efficient and valid for his own purposes.To your way of thinking, the bug does not construct a whole cat.

比如说，相较于人类对你们的猫的建构，甲虫创造的猫，是一个有限的，但对它自己的目的来说，却是有效又合理的建构。按照你们的思维方式，甲虫并没有建构出一只完整的猫。