[yǐ biàn]
so that; in order to; so as to; with the aim of; for the purpose of
They flew there in order that they might be in time to attend the opening ceremony.
他们飞往那里以便能及时参加开幕典礼。
The plant requires nitrogen in order to make proteins.
植物需要氮以便制造蛋白质。
Bring it nearer so that I may see it better.
把它拿近点,以便使我看得清楚些。