业务 yèwù 的 de 发展 fāzhǎn 归功 guī gōng 于 Yú 你 nǐ 方的合作 hézuò .

The development of business is creditable to your co - operation.

当然 dāngrán , 我们 wǒmen 上 shǎng 完 wán 一 yī 节 jiē 英语 Yīng yǔ 课 kè 后 Hòu ,总 zǒng 要 yāo 有 yǒu 家庭 jiātíng 作业 zuòyè .

Certainly, we always have some homework after an English class.

可是 kěshì 同 tóng 贵 guì 公司 gōngsī 尚 Shàng 无 wú 业务 yèwù 往来 wǎng lái .

But I've never had the pleasure of doing any business with you.

商业 shāngyè 用 yòng 蔗 zhè 糖 táng 有 yǒu 两 liǎng 个 gè 主要 zhǔyào 来源 láiyuán —— 甜 tián 甘蔗 gān zhe 和 hé 制糖甜菜 tián cài .

There are two principal sources of commercial sucrose - sugar cane and sugar beets.