帮忙用英语翻译下这个句子，不要机器翻译的！谢谢！

主要学习英语、物流基础、基础会计学、物流信息技术、物流案例与实践、库存管理、采购与供应管理、运输管理、仓储管理、国际物流导论等专业内容

my major courses are English, logistics infrastructure, basic accounting, logistics IT, logistics cases and practice, inventory management, purchasing and supply management, transportation management, warehousing management, international logistics Introduction and other courses related to my major.

The main study English, logistics base, basic accounting, logistics information technology, logistics case and practice, inventory management, purchasing and supply management, transportation management, warehouse management, international logistics professional content such as an introduction

1。 i haven't heard from him since we met last time.

2. i have visited this museum in beijing.

3. though it was very cold, we didn't light the fire.

4. once you begin, you must keep on.