在这种情况下，我们只能推迟会议了。

Zài zhè zhǒng qíngkuàng xià, wǒmen zhǐ néng tuīchí huìyì le.

Under these circumstances, we have no choice but to postpone the meeting.

在没有网络的条件下，这个软件根本用不了。

Zài méiyǒu wǎngluò de tiáojiàn xià, zhège ruǎnjiàn gēnběn yòng bù liǎo.

Without internet access, this software simply cannot be used.

在大家共同努力下，项目终于按时完成了。

Zài dàjiā gòngtóng nǔlì xià, xiàngmù zhōngyú àn shí wánchéng le.

With everyone's joint efforts, the project was finally completed on time.