Guaranteeing
vt. 保證, 擔保（guarantee的現在分詞形式）
? 同義詞
??? 情景例句
While my car is in the shop, they have given me a courtesy car to drive around.
我的車還在修理店時，他們給我一輛替代車用。
Can I help?
要我幫忙嗎？
Doctor, I'm not feeling well, she said. I often feel tired.
“醫生，我感到不舒服，”她說，“我經常感到疲倦”。